A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Which country gets ill every time?

Can you move 2 matchsticks to form four equal sized squares.

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

What is the next number in the series?

15 29 56 108 208 ?

Prove that twice of ten is the same as twice of eleven.

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?