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

Explanation

Each letter of the word is replaced by its opposite counterpart in the English alphabet, such that the sum of the positional values of the original letter and its corresponding code letter equals 27.

S (19) + H (8) = 27 N (14) + M (13) = 27 O (15) + L (12) = 27 W (23) + D (4) = 27

Applying the same rule to 'MIST':

M (13) → N (14) I (9) → R (18) S (19) → H (8) T (20) → G (7)

This yields the coded sequence NRHG.

Explanation

Let the position of Kabir Singh's house be the origin (0, 0).

Walking 30 metres North reaches (0, 30). Walking 40 metres East reaches (40, 30). Walking 25 metres North reaches (40, 55). Walking 40 metres West reaches (0, 55), which is the location of the flower shop.

The total vertical displacement of the flower shop from the house is 30 + 25 = 55 metres North, and the net horizontal displacement is 40 - 40 = 0 metres.

Therefore, relative to the flower shop, Kabir Singh's house is located at a distance of 55 metres towards the South.

Explanation

The underlying pattern requires the first and third letters, as well as the second and fourth letters, to be pairs of opposite letters in the English alphabet whose positional values sum to 27. BFWT does not follow this pattern because B (2) and W (23) sum to 25 (the opposite of B is Y), and F (6) and T (20) sum to 26 (the opposite of F is U).

Explanation

Arranging the six boys in descending order of age from 1 (eldest) to 6 (youngest):

Since exactly four boys are younger than Q, Q is at rank 2.

The given conditions state that S is elder to P and R (S > P, S > R), and T is elder to W and S (T > W, T > S). Combining these relations gives T > S > P, T > S > R, and T > W, which means T is elder to four boys (S, P, R, W). Since Q occupies rank 2, T must occupy rank 1, making T the eldest.

Explanation

The differences between consecutive terms form a pattern of multiples of 4:

12 - 8 = 4 20 - 12 = 8 32 - 20 = 12 48 - 32 = 16

The next difference in the sequence is 20 (16 + 4). Adding 20 to the last term gives 48 + 20 = 68.

Explanation

A bank is an institution whose primary function and service provided to those seeking its assistance is issuing a loan. Similarly, a court is an institution whose primary function and legal outcome provided to litigants seeking justice is delivering a judgement.

Explanation

Being fond of one specific adventurous sport (river-rafting) does not mean Aarohi loves all adventurous sports. Additionally, enjoying a single adventurous activity is insufficient to logically conclude that she is an adventurous person overall. Since both conclusions require assumptions that extend beyond the facts provided in the statements, neither conclusion logically follows.

Explanation

A milk dairy refers to an establishment, facility, or commercial unit where milk is collected, processed, and distributed, making it a place or business entity rather than a consumable food product.

Explanation

Among the numbers in the given set, 2 is the only prime number, whereas 28, 48, 58, and 128 are composite numbers. From a visual observation perspective, 2 is also the only number in the set that does not contain the digit 8.

Explanation

The series follows a simple alphabetical progression where both the first and second letters increment by one position (+1) in each term.

First letters: A → B → C → D → E Second letters: F → G → H → I → J

Combining both letters gives EJ.

Explanation

The pattern is formed by taking the alphabetical positional value of each letter, adding 1 to it, and concatenating the resulting numbers.

In CHAIR, C is 3 (+1 = 4), H is 8 (+1 = 9), A is 1 (+1 = 2), I is 9 (+1 = 10), and R is 18 (+1 = 19), giving 4921019.

Applying the same rule to MOBILE, M is 13 (+1 = 14), O is 15 (+1 = 16), B is 2 (+1 = 3), I is 9 (+1 = 10), L is 12 (+1 = 13), and E is 5 (+1 = 6). Concatenating these values yields 1416310136.

Explanation

GHI consists of consecutive letters with a positional difference of 1 between adjacent letters (G = 7, H = 8, I = 9), whereas all the other groups follow a pattern of skipping one letter with a positional difference of 2.

Explanation

Each letter in the word is replaced by its numerical positional rank in the standard English alphabet (A = 1, B = 2, ..., Z = 26).

In SACHIN, the positional ranks are S = 19, A = 1, C = 3, H = 8, I = 9, and N = 14, which combine to form 19138914.

Applying the same rule to GEETA gives G = 7, E = 5, E = 5, T = 20, and A = 1, which combine to form 755201.

Explanation

Since the playground is located in the south direction relative to Nisha's house, her house is in the opposite direction from the playground, which is North.

Explanation

Conclusion (A) discusses youngsters, whereas the statement specifically pertains only to aged persons, making it outside the scope of the given premise. Conclusion (B) introduces a specific medical consequence regarding tendon damage, which is an external premise not mentioned or directly implied in the text. Since logical conclusions must strictly derive from the given statement without introducing outside assumptions, neither conclusion logically follows.

Explanation

Each letter in the given code is shifted forward by 1 position in the alphabetical series (+1 pattern):

R + 1 = S A + 1 = B M + 1 = N

Applying the same +1 shift to each letter of SHYAM:

S + 1 = T H + 1 = I Y + 1 = Z A + 1 = B M + 1 = N

This yields TIZBN.

Explanation

The sum of the numbers in the first row is 24 (4 + 7 + 13 = 24), the second row is 25 (5 + 7 + 13 = 25), and following the symmetric pattern, the sum of the third row should also be 24 (6 + 9 + 9 = 24). Alternatively, using the difference between the first two terms, 4 + (7 - 4)² = 13 for row one and 5 + (7 - 5)³ = 13 for row two, leading to 6 + (9 - 6)¹ = 9 for row three.

Explanation

The pattern across each row follows the relation: Fourth number = (First number - Third number) + Second number

Applying this logic to each row: Row 1: (15 - 5) + 10 = 20 Row 2: (27 - 8) + 11 = 30 Row 3: (45 - 15) + 10 = 40

Explanation

The alphabetical positions of the letters decrease by consecutive integers: Z (26) − 2 = X (24) X (24) − 3 = U (21) U (21) − 4 = Q (17) Q (17) − 5 = L (12) L (12) − 6 = F (6)

The 6th letter of the English alphabet is F.

Explanation

Biogas is a renewable energy resource produced through the anaerobic decomposition of organic waste materials such as livestock manure, agricultural residue, and food waste. It is continuously naturally replenished over short timeframes and is eco-friendly, making it distinct from finite energy sources formed beneath the Earth over millions of years.

Explanation

The difference between consecutive terms in the series follows an increasing pattern of even numbers:

7 - 5 = 2 11 - 7 = 4 17 - 11 = 6 25 - 17 = 8

Following this pattern, the next difference to add is 10:

25 + 10 = 35

Explanation

In the arrangement B, D, C, G, A, E, F, B is at the 1st position and A is at the 5th position, placing three persons (D, C, and G) between them. This directly violates the given condition that only two persons sit between A and B.

Explanation

Novels are written by Robin Hopkins, George Smith, and John Procter, meaning Harold Masters did not write a novel. Paperback books are written by John Procter, Robin Hopkins, and Ken Singleton, meaning Harold Masters' book is not a Paperback. Combining these two facts shows that Harold Masters' book meets both criteria of being neither a novel nor in Paperback format.

Explanation

Dairy is an establishment or industry where milk is processed, produced, or sold. Similarly, a bakery is an establishment where bread is baked and sold. Both pairs represent a food product and the place or business establishment associated with its production and sale.

Explanation

The kidney is an excretory organ responsible for filtering waste products from the blood and excreting them in the form of urine. Similarly, the lungs function as excretory organs that eliminate carbon dioxide, the primary gas waste product of cellular respiration, from the body during exhalation.

Explanation

Decoding the given expression step-by-step:

P + R means P is the wife of R, which makes P female and R male. R - Q means R is the father of Q. Q × S means Q is the brother of S.

Since R is the father of Q and S, and P is married to R, P is the mother of both Q and S. Therefore, P is the mother of S.

Explanation

The distance between his home and the gym can be calculated using the available routes:

Route via Market: Home to Market + Market to Gym = 2.5 km + 2 km = 4.5 km Route via School: Home to School + School to Gym = 7 km + 3 km = 10 km

Comparing the two paths, the shortest route from his home to the gym is via the market, which is 4.5 km.

Explanation

The series follows a pattern where each term is obtained by subtracting consecutive increasing integers starting from 7: 44 - 7 = 37 37 - 8 = 29 29 - 9 = 20

Explanation

The steady increase in daily internet usage indicates that internet connectivity and accessibility are becoming more widespread and convenient for users over time. Increased usage directly points to the fact that accessing the internet is becoming easier and more available to the general public.

Explanation

The standard sequence follows an incremental addition of +1, +2, +3, and +4 to the alphabetical positions of consecutive letters. In EFGIK, the alphabetical positions are E (5), F (6), G (7), I (9), and K (11), giving increments of +1, +1, +2, and +2, which deviates from the pattern.

Explanation

Each letter in the word is shifted forward by 2 positions in the alphabetical sequence: A (+2) = C P (+2) = R P (+2) = R L (+2) = N E (+2) = G

Applying the same +2 shift to BANANA gives: B (+2) = D A (+2) = C N (+2) = P A (+2) = C N (+2) = P A (+2) = C

This results in the coded word DCPCPC.

Explanation

From the universal statement "All birds are wings", birds form a subset of the broader set of wings. By the rules of immediate logical inference (conversion of a universal affirmative proposition), "All A are B" converts validly only to "Some B are A" (Some wings are birds). Claiming that "All wings are birds" reverses this relationship without justification, as there can exist wings that are not birds. Therefore, this assumption cannot be validly implied from the given statements.

Explanation

The given sequence follows a Fibonacci-like pattern where each term after the second is the sum of the preceding two terms:

35 + 55 = 90 55 + 90 = 145 90 + 145 = 235 145 + 235 = 380 235 + 380 = 615

Explanation

In each column, the number in the third row is equal to the difference between the second row and the first row, as well as the difference between the fourth row and the fifth row:

Row 2 − Row 1 = Row 3 Row 4 − Row 5 = Row 3

In the first column: 14 − 5 = 9 and 32 − 23 = 9 In the second column: 19 − 9 = 10 and 19 − 9 = 10 In the fourth column: 32 − 15 = 17 and 33 − 16 = 17

Applying this pattern to the third column: 24 − 13 = 11 X − 6 = 11 X = 11 + 6 = 17

Explanation

The pattern in the series follows the rule where each term is obtained by multiplying the previous term by 2 and subtracting 2:

7 × 2 - 2 = 12 12 × 2 - 2 = 22 22 × 2 - 2 = 42 42 × 2 - 2 = 82 82 × 2 - 2 = 162

Alternatively, the difference between consecutive terms doubles at each step: 12 - 7 = 5 22 - 12 = 10 42 - 22 = 20 82 - 42 = 40

The next difference will be 40 × 2 = 80. Adding 80 to 82 yields 162.

Explanation

A centimetre is a unit of measurement equal to 1/100th of a metre. Similarly, a paisa is a unit of currency equal to 1/100th of a rupee. Both pairs represent a standard subunit and its base unit in a 1:100 ratio.

Explanation

Each letter in the word is replaced by its corresponding positional index in the English alphabet: I = 9, N = 14, D = 4, I = 9, A = 1, giving 914491.

Applying the same logic to DELHI: D = 4 E = 5 L = 12 H = 8 I = 9

Concatenating these numerical values in order yields 451289.

Explanation

By combining the universal positive statement "All pilots are professionals" and the universal negative statement "No professionals are unemployed," we apply the standard categorical syllogism rule: if set A is entirely contained within set B, and set B has no overlap with set C, then set A can have no overlap with set C. Since all pilots belong to the category of professionals and no professionals are unemployed, it logically follows that no pilots are unemployed.

Explanation

Number of remaining days from 15 March 2015 to 10 July 2015: March: 31 - 15 = 16 days April: 30 days May: 31 days June: 30 days July: 10 days

Total days = 16 + 30 + 31 + 30 + 10 = 117 days.

Dividing total days by 7 to find odd days: 117 ÷ 7 = 16 weeks + 5 odd days.

Adding 5 odd days to Monday: Monday + 5 days = Saturday.

Explanation

Patna, Kohima, and Shimla serve as the capital cities of the Indian states of Bihar, Nagaland, and Himachal Pradesh respectively. Jodhpur, located in Rajasthan, is a major historical city but is not a state capital, as Jaipur is the official capital of Rajasthan.

Explanation

A poet is an artist who creates or performs poetry. Similarly, an actor is an artist whose core activity and profession is acting. The second term represents the specific art form or performance produced by the practitioner named in the first term.

Explanation

Distance walked on a single school day = 5 + 3 + 2.5 = 10.5 km.

Distance walked in 5 school days = 5 × 10.5 = 52.5 km.

Distance walked in the remaining 2 days = 2 × 20 = 40 km.

Total distance walked in a week = 52.5 + 40 = 92.5 km.

Explanation

Layout along the east-west axis from west to east is Kavita's house, Rock Garden, and Rekha's house. Since Rekha's house lies farthest to the east, Kavita's house lies directly to the west relative to Rekha's house.

Explanation

Day and Night are direct antonyms representing contrasting concepts. Similarly, Sky refers to the expanse above, while Earth represents the ground below, making Earth the corresponding opposite term to Sky.

Explanation

The positional values of the letters in the English alphabet increase by consecutive integers (+2, +3, +4, +5): K (11) + 2 = M (13), M (13) + 3 = P (16), P (16) + 4 = T (20), and T (20) + 5 = Y (25). Continuing this pattern, adding 6 to Y (25) yields 25 + 6 = 31. Wrapping around the 26-letter alphabet (31 − 26 = 5), the 5th letter is E.

Explanation

The sequence follows a pattern of subtracting consecutive decreasing integers starting from 10:

100 - 10 = 90 90 - 9 = 81 81 - 8 = 73 73 - 7 = 66 66 - 6 = 60

Explanation

The given series follows a geometric progression where each term is multiplied by 2 to get the next term:

5 × 2 = 10 10 × 2 = 20 20 × 2 = 40 40 × 2 = 80 80 × 2 = 160

Explanation

Eagle is a bird belonging to the class Aves, characterized by feathers, wings, and egg-laying reproduction, whereas the other three living things in the group are mammals.

Explanation

The letters Q and R represent the arithmetic operations of multiplication (×) and subtraction (-) respectively.

29 × 8 - 56 = 232 - 56 = 176 84 - 5 × 13 = 84 - 65 = 19

Applying the same operations to the target expression: 51 × 3 - 46 = 153 - 46 = 107

Explanation

Abhinav Bindra is a distinguished Indian sport shooter who won the gold medal in the 10-meter air rifle event at the 2008 Beijing Olympics, becoming India's first individual Olympic gold medalist. He also secured a World Championship gold medal in 2006 and multiple gold medals at the Commonwealth Games in shooting.