Question

Which number is wrong in the given series 1,9,25,50,81?

Answer 1

The number which is wrong in the given series is 50.

• The series is basically a series of square of odd numbers.
• So, the series goes this way, 1^2, 3^2, 5^2, 7^2, 9^2 and so on.
• Thus the correct series is 1, 9, 25, 49, 81.
• So in the given series the number 50 should be replaced by the number 49.

Answer 2

Answer:

50 is wrong in the series