How can you take 2 from 5 and leave 4?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What does a man do only once in his lifetime, but women do once a year after they are 29?

How many letters are in the alphabet?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Can you quickly find which two matchstick figures are identical?