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?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

Which point will the car reach to go out?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

What does Alexander the Great and Winnie the Pooh have in common?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?