Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

If 1+9+8=1, what is 2+8+9?

Prove that the below maths equation is true.

8 + 8 = 91

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 ?

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

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

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

what does this below rebus represent identXQQQQQME

I make two people out of one. What am I?