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

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

Can you count the number of matches in the picture below ?

Find the next number in the series below

21 32 54 87 131 ?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?