How many triangles can you find in this given picture?

Count the number of balls in picture below:

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?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

What does below Rebus say?

XLR8

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

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

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