Look at the picture and find out which square is not linked with any of the other squares.

I am sure no one can have two things for dinner. what are they?

There is something which is always coming but never arrives?

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

Which is faster, Heat or Cold ? Explain.

I look at you, you look at me, I raise my right, you raise your left. What am I?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

In which direction should the missing arrow point?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?