What does does this rebus picture means ?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Find out the number of circles in the given picture having Illusion

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

When we see 2 but call 10?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

What is 3/7 chicken, 2/3 cat and 2/4 goat?