Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

Count the number of triangles in the below picture?

In the four images below, can you find the odd one out?

What has 13 hearts but no other organs?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

What can you deduce from the following BrainBat?

CRY
LMKI

Can you find the six hidden animals in the picture below?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Can anyone tell me a word in the English dictionary which has a silent 'z'?