Exams › SSC CGL (Prelims) › General
Identify the number that relates to the fifth number in the same way as the second relates to the first and the fourth relates to the third. 10 : 110 :: 7 : 56 :: 9 : ?
- 90
- 85
- 91
- 81
Correct answer: 90
Solution
The pattern is: n x (n+1). 10 x 11 = 110; 7 x 8 = 56; 9 x 10 = 90. So the answer is 90.
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