John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

What do you get if you add 2 to 100 four times?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

When it is alive we sing, when it is dead we clap our hands. What is it?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _