There are forty elephants and they have forty-fore heads. How can this be possible?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

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

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

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

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?

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

What English word has three consecutive double letters?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?