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?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

Solve the puzzle by telling what does below picture means.

Can you find the six hidden animals in the picture below?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Which is faster, Heat or Cold ? Explain.

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?