A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

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

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

By what process could you make a 'Tea-Table' into food?

Can you write down eight eights so that they add up to one thousand?

What can you deduce from the following BrainBat?

CRY
LMKI

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

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 ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?