How many triangles are there on the puzzle below?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

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?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Find the next number in the series below

21 32 54 87 131 ?

I shave every day, but my beard stays the same. What am I?

What has 88 keys?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?