Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Can you spot the hidden girl in the picture below?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

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!!!

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

When 99 is considered higher than 100?

I have Rs.50 and I spend it in the way as below.