Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

How many Watermelons are there in the below picture?

What breaks yet never falls, and what falls yet never breaks?

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?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

How many sides does a circle have?

Which is faster, Heat or Cold ? Explain.

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

How many letters are in the alphabet?