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Friday, April 4, 2025

Find the missing number in the given series? 3, 11, 27, 59, ?

Find the missing number in the given series? 3, 11, 27, 59, ?
A123
B121
C134
D113

correct answer is: option a (123)
Explanation: The pattern in the series is as follows: Each number is obtained by multiplying the previous number by 2 and adding a consecutive odd number starting from 5.
3 * 2 + 5 = 11
11 * 2 + 5 = 27
27 * 2 + 5 = 59
3, 11, 27, 59, 123,...
*2+5 *2+5 *2+5 *2+5 Therefore, the next number is 59 * 2 + 5 = 123

  • Option a: 119. 59*2 + 5 = 123, is the correct pattern
  • Option b: 121. Incorrect following by pattern
  • Option c: 134. Incorrect following by pattern
  • Option d: 113. Incorrect following by pattern

Akhilesh
answered Apr 4 '25 at 22:11

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