Question : Directions: Select the option 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. NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13-Operations on 13 such as adding /deleting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
125: 25:: 64: 16:: 216: ?
Option 1: 36
Option 2: 24
Option 3: 22
Option 4: 39
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Correct Answer: 36
Solution :
Given:
125: 25:: 64: 16:: 216: ?
The cube root of the first number is equal to the square root of the second number –
Like in, 125 : 25 → 5
3
: 5
2
= 125 : 25
And in, 64: 16 → 4
3
: 4
2
= 64 : 16
Similarly, follow the same pattern for 216: ? → 6
3
: 6
2
= 216 : 36
Therefore, 36 is the required missing term. Hence, the first option is correct.
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