Analogy – Railway reasoning part III

Total Questions: 50

1. Select the set in which the numbers are related in the same way as are the numbers of the following sets. [Group-D 17/08/2022 (Afternoon)]

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
(12, 15, 18)
(45, 35, 25)

Correct Answer: (d) (15,20,25)
Solution:

(First number + Third number) ÷ 2
=Second number
(12, 15, 18,) ⇒ (12 + 18) ÷ 2 = 15
(45, 35, 25,) ⇒ (45+ 25) ÷ 2 = 35
Similarly,
(15, 20, 25,) ⇒ (15+ 25) ÷ 2 = 20

2. In the given letter-cluster pairs, the first letter-cluster is related to the second letter-cluster following a certain logic. Study the given pairs carefully, and from the given options, select the pair that follows the same logic. [Group-D 17/08/2022 (Afternoon)]

COWBOY : WOCYOB
TANGLE : NATELG

Correct Answer: (a) FLOWER : OLFREW
Solution:

3. Select the set in which the numbers are related in the same way as are the numbers of the following sets. [Group-D 17/08/2022 (Evening)]

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
(4, 25, 6)
(3,28,9)

Correct Answer: (a) (7, 22, 3)
Solution:{(First number x Third number) + 1 = Second number} i.e.
(4, 25, 6) ⇒ 4 x 6 + 1 = 25
(3, 28, 9) ⇒ 3 x 9+1 = 28
Similarly,
(7, 22, 3) ⇒ 7 x 3+1 = 22

4. Select the set in which the numbers are related in the same way as are the numbers of the following sets. [Group-D 18/08/2022 (Morning)]

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
(1,8, 3)
(2, 21, 5)

Correct Answer: (b) (4,33, 7)
Solution:

(3rd Number)² - (1st Number)² = Second Number
(1, 8, 3) ⇒ 3²-1² = 8
(2, 21, 5) ⇒ 5² - 2² = 21
Similarly,
(4, 33, 7) ⇒ 7² - 4² = 33

5. Select the set in which the numbers are related in the same way as are the numbers of the following sets. [Group-D 22/08/2022 (Afternoon)]

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
(36, 78, 13)
(121, 77, 7)

Correct Answer: (a) (49, 63, 9)
Solution:

(√First number × Third number = Second number) i.e.
(36, 78, 13,) ⇒ √36 × 13 = 6 × 13 = 78
(121, 77, 7,) ⇒ √121 × 7 = 11 × 7 = 77
Similarly.
(49, 63, 9,) ⇒ √49 × 9 = 7 × 9 = 63

6. In the given letter-cluster pairs, the first letter-cluster is related to the second letter-cluster following a certain logic. Study the given pairs carefully, and from the given options, select the pair that follows the same logic. [Group-D 22/08/2022 (Evening)]

HCM : MHR
FET : KJY

Correct Answer: (d) UPJ : ZUO
Solution:

7. In the given letter-cluster pairs, the first letter-cluster is related to the second letter-cluster following a certain logic. Study the given pairs carefully, and from the given options, select the pair that follows the same logic. [Group-D 23/08/2022 (Morning)]

TOP: VRU
XOR: ZRW

Correct Answer: (c) NOR : PRW
Solution:

8. Select the set in which the numbers are related in the same way as are the numbers of the Following sets. [Group-D 23/08/2022 (Morning)]

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
(4, 3, 16)
(3, 5, 19)

Correct Answer: (a) (8, 2, 20)
Solution:

(Ist number x IInd number) + 4 = 3rd number
(4, 3, 16) ⇒ (4 × 3) + 4 = 16
(3, 5, 19) ⇒ (3 x 5) + 4 = 19
similarly,
(8, 2, 20) ⇒ (8 x 2) + 4 = 20

9. In a given letter-cluster pair, the first letter-cluster is related to the second letter-cluster by a certain logic. Study the given pairs carefully, and select the pair that follows the same logic from the given alternatives. [Group-D 23/08/2022 (Evening)]

KDRB : PWIY
UNGC : FMTX

Correct Answer: (d) DHEL : WSVO
Solution:

Each letter is written as its opposite.
KDRB ⇔ PWIY
UNGC ⇔ FMTX
Similarly,
DHEL ⇔ WSVO

10. Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. [Group-D 24/08/2022 (Morning)]

15 : 24 :: 35 : 48 :: 63 : ?

Correct Answer: (d) 80
Solution:

(15 : 24) ⇒ 4² -1, 5²-1
(35 : 48) ⇒ 6²- 1, 7²- 1
Similarly,
(63 : 80) ⇒ 8²- 1, 9²- 1
Therefore, the missing number will be 80.