Decode this picture on T-Shirt and tell what it says ?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

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

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Can you count the number of triangles in the given picture?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?