Previous Year Paper
CAT-2006-Previous Years Paper
The sum of four consecutive two-digit odd numbers, when divided by 10, becomes a perfect square. Which of the following can possibly be one of these four numbers?
Odd digits are 1, 3, 5, 7 and 9. If sum of four consecutive odd numbers is divisible by 10, then the digits should be 7, 9, 1 and 3.
Now using the option (c) – the numbers are 37, 39, 41 and 43.