Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

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?

Why do Chinese men eat more rice than Japanese men do ?

What is the next number in this matchsticks series riddle?

Who can jump higher than a Mountain?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

What is black when you buy it, red when you use it, and gray when you throw it away?