SSC CGL 1 september, 2016 Shift 3 Question 3(Reasoning) with Solution.

Select the related word/ letters/ number from the given alternatives.
4 : 20 :: 8 : ?

Options:
1. 74
2. 70
3. 72
4. 78
Answer: 3 (72)

4 : Sq of 4 + 4 :: 8 : Sq of 8 + 8

Sq of 8 + 8 = 72