Count the number of balls in picture below:

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What can jump higher than a building?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

What does the below rebus puzzle mean?