Find the missing number in the following series 27, 30, 36, ____, 57
Question and options
Find the missing number in the following series
27, 30, 36, ____, 57
27, 30, 36, ____, 57
- 39
- 42
- 45
- 51
Answer and explanation
Correct answer: C - 45
The differences are 3, 6, 9, 12: 27+3=30, 30+6=36, 36+9=45, 45+12=57. The missing number is 45.
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CUSAT CAT Five-Year LL.B.
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