Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

What word is represented by this rebus?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

I cannot talk, but I always reply when spoken to. What am I?

What makes this number unique: 8,549,176,320?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

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?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

When monkey rotate the gear, which mark will be hit 1 or 2 ?