what does this picture(rebus) riddle means ?

If two's company, and three's a crowd, then whats four and five ?

Find the value of "?" in the ball picture Riddle below:

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 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

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

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Why is a river so rich ?

A bomb exploded in a room full of married couples and no one died. How?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?