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SSC CGL Model Paper 16

Question : 3 of 100

Marks: +1, -0

4 : 17 : : 7 : ?

Solution:

Concept:

The second number is obtained by squaring the first number and adding

1

Explanation:

For the first pair,

4^2 + 1 = 16 + 1 = 17

So the rule is: second number

=

first number

^2 + 1

Apply this rule to

7

7^2 + 1 = 49 + 1 = 50

Hence, the missing number is

50

Answer:

The correct answer is

50

, which is option B.

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