`A` is counting the numbers from 1 to 31 and `B` from 31 to 1. `A` is counting the odd numbers only. The speed of both is the same. What will be the number which will be pronounced by `A` and `B` together?

Find the sum of odd numbers from 1 to 31.

The sum of all odd numbers from 1 to 25

Anjuman was counting down from 32 and Neha was counting upwards the numbers starting from 1 and she was calling out the odd numbers. What common numbers will they call out at the same time if they were calling out at the same speed ?