Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

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

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Count the number of balls in picture below:

How many times can you subtract the number 5 from 25?

When we see 2 but call 10?

What does below chemistry rebus means?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months