Analogy – Railway reasoning part II

Total Questions: 50

1. Select the option that is related to the fourth number in the same way as the first number is related to the second number. [NTPC CBT-1 08/01/2021 (Morning)]

3 : 36 :: ? : 20736

Correct Answer: (d) 1728
Solution:

2nd number  = 1st number × 12
3 × 12 = 36
1728 × 12 =20736

2. If 34@24?6#5 = 131 and 15@18?3#9 = 81, then which of the numbers will be the value of the expression: [NTPC CBT-1 13/01/2021 (Morning)]

17@72?9#5

Correct Answer: (d) 131
Solution:

34@24?6#5 = 24/6 × 34 - 5 = 131
15@18?3#9 = 18/3 × 15 - 9 = 81
17@72?9#5 = 72/9 × 17 - 5 = 131

3. Select the option that is related to the third fraction in the same way as the second fraction is related to the first fraction. [NTPC CBT-1 13/01/2021 (Evening)]

1/4 : 1/8 :: 1/3 : ?

Correct Answer: (d) 1/6
Solution:

1/4 : 1/8 [ half of 1/4 = 1/8 ]
Following the same analogy :
1/3 : 1/6 [ half of 1/3 = 1/6 ]

4. Select the option that is related to the third term in the same way as the second term is related to the first term. [NTPC CBT-1 16/01/2021 (Morning)]

WAITER : 242923 :: JUMPER : ?

Correct Answer: (a) 312923
Solution:

Sum of place value of 2 alphabets are written.
JUMPER = (10 + 21) (13 + 16 ) (5 + 18) = 312923

5. Select the term that can replace the question mark (?) in the following analogy. [NTPC CBT-1 20/01/2021 (Morning)]

STYLE : 81 : ARRIVAL :: CRACK : 36 : ?

Correct Answer: (b) RIDE
Solution:

STYLE : 81: ARRIVAL [ Sum of the place values of the letters ]
Similarly : CRACK :36 : RIDE
[ RIDE = 18 + 9 + 4 + 5 = 36 ]

6. If 23 A 64 A 13 136423 and 9 A 57 A 12 = 12579, then 29 A 4 A 6 = ? [NTPC CBT-1 20/01/2021 (Evening)]

Correct Answer: (d) 6429
Solution:

Number are written from end to start.
29 A 4 A 6 = 6429

7. Select the option that is related to the third term in the same way as the second term is related to the first term. [NTPC CBT-1 22/01/2021 (Morning)]

FLPX : GJST :: HMRW : ?

Correct Answer: (d) IKUS
Solution:

In FLPX : GJST
F + 1 = G, L - 2 = J, P + 3 = S, X - 4 =T
So that HMRW : IKUS
H + 1 = I, M – 2 = K, R + 3 = U, W - 4 = S

8. Find the missing number to complete the given analogy. [NTPC CBT-1 23/01/2021]

2 : 7 :: 11 : ? :: 23 : 37

Correct Answer: (a) 19
Solution:

1st prime No. : 4th prime No.
5st prime No. : 8th prime No.
9st prime No. : 12th prime No.
8st prime No. : 19

9. Select the number from the given alternatives which has the same relation with the fifth number as the second and fourth number with the first and third number respectively. [NTPC CBT-1 25/01/2021 (Evening)]

15 : 1365 :: 27 : 2817 :: 43 : ?

Correct Answer: (d) 4493
Solution:

10. Which option will replace the question mark in the below series? [NTPC CBT-1 28/01/2021 (Evening)]

A25 : Y1 : : L14 : ?

Correct Answer: (c) N12
Solution:

A → Opposite place value - 1 = Y and
25 → Opposite place value Number -1 = 2 - 1 = 1
Similarly , L14 : N12