RRB NTPC CBT 1 2021 General Intelligence & Reasoning Questions with Solutions

Explanation

Numbering the five positions from 1 to 5 from left to right:

X is the second person from the left, placing X at position 2. Since X is to the right of Y, Y must be at position 1. The remaining positions 3, 4, and 5 are occupied by U, V, and W. W is to the right of X, placing W at position 3. U is to the left of V, placing U at position 4 and V at position 5.

The complete arrangement from left to right is Y, X, W, U, V. Therefore, V is the first person from the right.

Explanation

In this coding system, each letter is directly represented by a fixed code letter based on its position in the given words ELEPHANT and LEOPARD: E = M, L = T, P = B, H = S, A = K, N = C, T = J, O = V, R = E, and D = N.

Applying these direct letter substitutions to the word PANTHER: P becomes B A becomes K N becomes C T becomes J H becomes S E becomes M R becomes E

Combining these coded letters gives BKCJSME.

Explanation

Representing the relative scores of the players using inequalities:

Santhosh > Rohit > Rahul Rahul > Balbeer > Iqbal Santhosh > Mehul > Balbeer

Combining these conditions gives: Santhosh > Rohit > Rahul > Balbeer > Iqbal Santhosh > Mehul

Since Santhosh scored more than Rohit, Mehul, Rahul, Balbeer, and Iqbal, Santhosh scored the highest.

Explanation

Social Media represents the overarching category of digital technologies and platforms that facilitate the creation and sharing of information, ideas, and content. It is a broad umbrella term describing the entire concept, whereas the remaining entries are specific individual applications operating within this category.

Explanation

Time is a physical quantity, whereas all the other terms are SI units of measurement used to measure physical quantities.

Explanation

The sequence consists of two alternating series:

The odd-positioned terms follow a pattern of adding 3: 3, 6, 9, 12, ... First missing term = 12 + 3 = 15

The even-positioned terms follow a pattern of subtracting 4: 54, 50, 46, 42, ... Second missing term = 42 - 4 = 38

Explanation

The given series consists of alternate prime numbers starting from 41:

41, (43 skipped), 47, (53 skipped), 59, (61 skipped), 67, (71 skipped), 73, (79 skipped), 83, (89 skipped), 97.

Following this pattern of skipping one prime number after every term, the prime number following 83 is 89, which is skipped, giving 97 as the next number in the sequence.

Explanation

Salt Lake Stadium, officially known as Vivekananda Yuba Bharati Krirangan, is a multi-purpose stadium in Kolkata primarily used for hosting football matches. It serves as the home ground for major Indian football clubs including Mohun Bagan and East Bengal, making it a premier football venue rather than a cricket ground.

Explanation

Comparing 'He is good boy' (no po ko lo), 'good for health' (po ro fo), and 'health is good' (fo ko po), the code 'po' appears in all three statements alongside the word 'good', which means 'good' stands for 'po'.

Comparing 'He is good boy' and 'health is good', the common words are 'is' and 'good', and the common codes are 'ko' and 'po'. Since 'good' stands for 'po', 'is' must stand for 'ko'.

Explanation

In syllogisms, the term "few" is logically equivalent to "some". Statement 2 asserts that "Some blues are balls", which is a particular affirmative statement. Applying the rule of simple conversion to this statement yields "Some balls are blue" or "Few balls are blue", making Conclusion III logically valid.

Conclusions I and II do not follow because the statements do not establish a necessary relation between flowers and balls, nor do they prevent flowers from overlapping with red, since the no-relation rule strictly applies between balls and red.

Explanation

The pattern followed in the given code language is the exact reversal of the letters in the word.

Reversing the letters of TEACHER gives REHCAET.

Applying the same reversal pattern to the word STUDENT: 1st letter S becomes 7th (last) letter 2nd letter T becomes 6th letter 3rd letter U becomes 5th letter 4th letter D remains in the middle (4th) position 5th letter E becomes 3rd letter 6th letter N becomes 2nd letter 7th letter T becomes 1st letter

Reversing STUDENT yields TNEDUTS.

Explanation

Statement 1 establishes that Surge is a health drink, which means the class of health drinks contains Surge. By conversion of this statement, it logically follows that some health drinks are Surge (Conclusion III). Conclusions I and II do not follow from the given premises as health drinks and proteins are mutually exclusive, and there is no direct relationship given between medicines and Surge.

Explanation

This is a direct letter-to-digit substitution code where each letter represents a specific digit:

P = 7 A = 6 N = 8 T = 1 H = 2 E = 0 R = 3

Substituting the corresponding code digits for the word PANTHER: P → 7 A → 6 N → 8 T → 1 H → 2 E → 0 R → 3

Combining these digits in order gives 7681203.

Explanation

Six boxes P, Q, R, S, T, and U are to be painted with six distinct colours: Black, Blue, Orange, Green, White, and Grey.

From the given clues, Box P is painted Black and Box R is painted Orange. This leaves four boxes (Q, S, T, U) to be assigned the remaining four colours (Blue, Green, White, Grey).

It is specified that neither Box S nor Box U is painted White or Grey. Consequently, S and U must be painted using the only two remaining colours from the set, which are Blue and Green. Thus, Box S is painted with either Blue or Green colour.

Explanation

Comparing the given statements: 'Bird is animal' = '# mr so' 'Parrot is Bird' = 'so # @' 'is Parrot animal' = 'mr @ #'

The word 'is' appears in all three statements, and the symbol '#' is common to all three code sets, which means 'is' = '#'.

Comparing statements 1 and 3, both contain the words 'is' and 'animal', corresponding to codes '#' and 'mr'. Since 'is' corresponds to '#', the remaining code 'mr' represents 'animal'.

Explanation

Combining the given statements in descending order of marks:

Arya > Mayank (from statement v) Mayank > Sheetal (from statement i) Sheetal > Rohit (from statement ii) Rohit > Praveen > Tanya (from statements vi and iv)

This gives the overall order: Arya > Mayank > Sheetal > Rohit > Praveen > Tanya. Arya sits at the top of the order with the maximum marks.

Explanation

The pattern is formed by reversing the order of the letters in the given word and adding 10, 9, 8, 7, and 6 consecutively to their alphabetical positions:

For VMBHL: Reversed letters: L, H, B, M, V L (12) + 10 = 22 (V) H (8) + 9 = 17 (Q) B (2) + 8 = 10 (J) M (13) + 7 = 20 (T) V (22) + 6 = 28 → 28 - 26 = 2 (B)

Applying the same logic to KTSPR: Reversed letters: R, P, S, T, K R (18) + 10 = 28 → 28 - 26 = 2 (B) P (16) + 9 = 25 (Y) S (19) + 8 = 27 → 27 - 26 = 1 (A) T (20) + 7 = 27 → 27 - 26 = 1 (A) K (11) + 6 = 17 (Q)

Explanation

A manual is an organized guide or reference document that lists and describes the protocols, equipment, and contents of a laboratory. Similarly, a catalogue is a systematic reference list or index that details all the books and resources available in a library.

Explanation

A doctor is a healthcare professional who diagnoses and treats illnesses in human beings, making it a medical profession focused on living organisms. In contrast, the remaining occupations belong to traditional craftsmen who manipulate raw inanimate materials to produce or repair physical goods.

Explanation

The relation follows the pattern where the first number is the square of a base number (n²), and the second number is the cube of the same base number (n³).

36 = 6² 216 = 6³

Applying the same logic to the third number: 81 = 9² ? = 9³ = 729

Explanation

The statement specifies that private tuition is "one of the ways" to do better, which directly implies that other methods for improvement exist. Thus, private tuition is not the only way, making assumption II invalid. Furthermore, suggesting that a child can improve or "do better" does not mean the child is currently failing or bad at studies, as students at any academic level can improve, making assumption I invalid as well.

Explanation

By analyzing the given clues, D is from Vistara airline. Since the person from Go Air likes Black colour, D cannot like Black. B already likes White, and D is explicitly stated not to like Pink or Blue. Eliminating Black, White, Pink, and Blue leaves Green as the only possible colour for D. Therefore, D is associated with Green colour and Vistara airline.

Explanation

The series follows a pattern where the sequence of letters x, y, and z repeats with an increasing frequency of each letter in every successive group:

Group 1: x y z Group 2: x x y y z z Group 3: x x x y y y z z z Group 4: x x x x ...

Placing the letters z, y, z, and x into the blanks sequentially completes the structured sequence of growing letter counts.

Explanation

Five friends sit in a row facing North, at positions 1 to 5 from left to right.

X is the second person from the left, placing X at position 2. Since X is to the right of Y, Y sits at position 1.

The remaining positions 3, 4, and 5 are filled by U, V, and W. Given that U is to the left of V, V must be positioned to the right of U. Placing U before V in the remaining seats puts V at position 5, which is the first position from the right.

Explanation

This question follows a direct letter substitution pattern, where each letter in the given words is mapped to a specific coded letter based on the provided examples ELEPHANT → MTMBSKCJ and LEOPARD → TMVBKEN:

E → M L → T P → B H → S A → K N → C T → J O → V R → E D → N

Applying these direct letter mappings to the word PANTHER: P → B A → K N → C T → J H → S E → M R → E

Combining these coded letters gives BKCJSME.

Explanation

Combining the scores using inequalities: From the first condition, Santosh > Rohit > Rahul. From the second condition, Rahul > Balbeer > Iqbal. From the third condition, Santosh > Mehul > Balbeer.

Combining these relations gives Santosh > Rohit > Rahul > Balbeer > Iqbal, and Santosh > Mehul. Since Santosh is strictly higher than everyone else, Santosh scored the most.

Explanation

Social Media is a broad, overarching term that represents a general category of digital communication technologies, whereas the rest are specific individual platforms operating within this classification. As a generic umbrella concept rather than a distinct service or application, it functions as the overarching group name rather than a specific instance.

Explanation

Time is a physical quantity rather than an SI unit, whereas the remaining terms represent standard units of measurement used for physical properties.

Explanation

The given sequence is an interleaved series formed by combining two independent patterns at alternate positions:

First pattern (odd positions): 3, 6, 9, 12, ... This is an arithmetic progression with a common difference of +3. Next term = 12 + 3 = 15.

Second pattern (even positions): 54, 50, 46, 42, ... This is an arithmetic progression with a common difference of -4. Next term = 42 - 4 = 38.

Explanation

The given sequence consists of alternate prime numbers. Starting from 41, every second prime number is included in the series while skipping one prime number in between: 41, skipping 43, gives 47; skipping 53, gives 59; skipping 61, gives 67; skipping 71, gives 73; skipping 79, gives 83. Following this pattern, after 83, the prime number 89 is skipped, making 97 the next term in the series.

Explanation

Salt Lake Stadium, officially known as Vivekananda Yuba Bharati Krirangan, located in Kolkata, is a multi-purpose stadium primarily used as a football venue. In contrast, the other three listed venues are dedicated international cricket stadiums in India.

Explanation

Comparing "He is good boy" (no po ko lo) and "good for health" (po ro fo), the word common to both is "good", which corresponds to the common code "po".

Comparing "good for health" (po ro fo) and "health is good" (fo ko po), the word "health" corresponds to the code "fo".

Substituting the codes for "good" (po) and "health" (fo) into the phrase "health is good" (fo ko po) leaves "is" mapped to "ko".

Explanation

Statement 2 states "Some blues are balls", which logically converts to "Some balls are blue". In standard logical reasoning, the term "few" is synonymous with "some", so Conclusion III directly follows from Statement 2. Conclusions I and II do not follow because the given statements establish no direct relationship between flowers and red, nor between flowers and balls.

Explanation

Tennis is a specific form or category of sport, just as dance is a specific form or category of art.

Explanation

Since all seven boys are facing south, the right side corresponds to the west (viewer's left) and the left side corresponds to the east (viewer's right).

Since B2 sits at an extreme end, is a neighbour of B4, and B3 is to the immediate right of B4, B2 must sit at the extreme east end. Moving westward from B2, the positions occupied are B3, B4, and B2.

Only two boys sit between B1 and B5, and B5 is not a neighbour of B3. This places B5 at the extreme west end and B1 adjacent to B3.

Since B7 cannot sit next to B1, B7 is placed second from the west end, which leaves B6 in the third position from the west end between B7 and B1.

The final seating order from west to east is B5, B7, B6, B1, B3, B4, B2. Because B6 sits directly to the west of B1, B6 is located to the immediate right of B1.

Explanation

When facing the center of a circular table, clockwise represents the left direction and counter-clockwise represents the right direction.

Assigning positions 1 to 7 in clockwise order: P is placed at position 1. R sits third to the left of P, placing R at position 4. R sits to the immediate left of W, placing W at position 3. Since two friends sit between P and S, S is placed at position 5 (with positions 6 and 7 between P and S). Q sits to the immediate left of V, placing V at position 6 and Q at position 7. The remaining spot, position 2, is occupied by T.

The clockwise arrangement of positions 1 to 7 is P, T, W, R, S, V, Q. Moving counter-clockwise (right) from S at position 5, the first to the right is R at position 4, the second to the right is W at position 3, and the third to the right is T at position 2.

Explanation

The code is determined by taking the sum of the reverse alphabetical positional values of each letter (where A = 26, B = 25, ..., Z = 1, calculated as 27 minus the forward position).

For NAMAN: N = 13, A = 26, M = 14, A = 26, N = 13 Sum = 13 + 26 + 14 + 26 + 13 = 92

Applying the same pattern to CARPET: C = 24, A = 26, R = 9, P = 11, E = 22, T = 7 Sum = 24 + 26 + 9 + 11 + 22 + 7 = 99

Explanation

Mr. A satisfies criterion (i) directly as he is ready to pay the membership fee of 10,000 and contribute two books worth 500. Criterion (v) provides free membership exclusively to serving Defence personnel and their wards; since Mr. A is the son of a retired army officer rather than a serving one, criterion (v) does not apply to him. Consequently, he fulfills the requirements for library membership under criterion (i) only.

Explanation

The pattern in the set is that the second number is the square of the first number, and the third number is the square of the second number (x, x², x⁴).

In the given set (9, 81, 6561): 9² = 81 81² = 6561

Applying the same rule: 2² = 4 4² = 16

This yields the set (2, 4, 16).

Explanation

836 is not a perfect square, whereas 576 = 24², 1156 = 34², and 1296 = 36² are all perfect squares.

Explanation

The Moon is a natural satellite that orbits Earth, whereas the other celestial bodies listed are planets.

Explanation

The coding pattern involves taking the letters of the word in reverse order and replacing each letter with two letters: the immediately next letter in the alphabet (+1) followed by the letter itself (+0).

For BEST, reversing the letters gives T, S, E, B. T → UT S → TS E → FE B → CB Combining these yields UTTSFECB.

Applying the same rule to CHAIR, the reversed letters are R, I, A, H, C. R → SR I → JI A → BA H → IH C → DC Combining these yields SRJIBAIHDC.

Explanation

Each letter in the code corresponds directly to its positional rank in the standard English alphabet: F = 6, A = 1, C = 3, E = 5, D = 4, G = 7, H = 8, and I = 9.

Applying this positional rank mapping to HIGH: H = 8 I = 9 G = 7 H = 8

Combining the positional values yields 8978.

Explanation

Treatment refers to the broad process, action, or management of providing medical care to cure or relieve an illness or injury. It represents a general concept of medical intervention, whereas the other terms refer to specific physical forms or modes of administering medicine.

Explanation

The series consists of two interleaved decreasing sequences:

Odd positions: G (7th) → F (6th) → E (5th) → D (4th) Even positions: J (10th) → I (9th) → H (8th)

Alternatively, the pattern alternates between adding 3 and subtracting 4: 7 (+3) = 10 10 (-4) = 6 6 (+3) = 9 9 (-4) = 5 5 (+3) = 8 8 (-4) = 4 (D)

Following this pattern, the next letter in the series is D.

Explanation

Each term in the series, starting from the third term, is the product of the preceding two terms:

2 × 3 = 6 3 × 6 = 18 6 × 18 = 108 18 × 108 = 1944

Following the same pattern, the missing number is: 108 × 1944 = 209952

Explanation

Sunayana is good in Mathematics and English according to the first statement, and is also good in History and English according to the third statement. Combining these given facts, Sunayana is good in Mathematics, History, and English.

Explanation

The pattern is based on doubling the number of skipped letters at each step: Between A and C, 1 letter is skipped (B). Between C and F, 2 letters are skipped (D, E). Between F and K, 4 letters are skipped (G, H, I, J).

Following this sequence of powers of 2 (1, 2, 4, 8), skipping 8 letters after K (L, M, N, O, P, Q, R, S) yields T.

Explanation

The pattern replaces each letter with its opposite letter in the English alphabet, where the sum of the positional values of the original letter and its corresponding coded letter equals 27.

Applying this rule to INDIA: The 9th letter I corresponds to the 18th letter R (27 - 9 = 18). The 14th letter N corresponds to the 13th letter M (27 - 14 = 13). The 4th letter D corresponds to the 23rd letter W (27 - 4 = 23). The 9th letter I corresponds to the 18th letter R (27 - 9 = 18). The 1st letter A corresponds to the 26th letter Z (27 - 1 = 26).

Explanation

Thimphu serves as the capital and largest city of Bhutan, an independent sovereign nation. It stands out as it represents a national capital, whereas the other locations given in the list are capital cities of North-Eastern Indian states.