It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A man dies of old age on his 25 birthday. How is this possible?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Find out the missing number in the picture attached:

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

Can you make a six-letter word using the letters N, A and B ?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

How many words can a pen with half refill write?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=