Exams › SSC CGL (Prelims) › General
Find the missing number following the same relationship: 16 : 20 :: 256 : ? :: 49 : 56
- 266
- 264
- 278
- 272
Correct answer: 272
Solution
Pattern: each number is added to its own square root. sqrt(16)=4, 16+4=20. sqrt(49)=7, 49+7=56. sqrt(256)=16, 256+16=272. Answer: 272.
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