Count the number of lines in the image below ?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Solve the counting riddle by identifying the number of triangles in the given picture.

Can you place six X (crosses) in below board without making three in a row in any way ?

What does this rebus picture identify?

Which Burger Is Different in below image?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Can you replace the question mark with the correct number?