Q22
The sum of four consecutive two-digit odd numbers, when divided by 10, become a perfect square. Which of the following can possibly be one of these four numbers?
A.
21
B.
25
C.
41
AnswerD.
67
E.
73
Answer: Option C
Solution
Answer: Option C
Solution:
Using options,We find that four consecutive odd numbers are 37, 39, 41 and 43
The sum of these 4 numbers is 160, when divided by 10 we get 16 which is a perfect square.
Thus, 41 is one of the odd numbers