How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

what does this picture(rebus) riddle means ?

You need to remove two matchsticks to make the below equation true. Can you do it ?

What Time Should the last watch show in the below figure?

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

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?