How can you tell a raw egg from a hard-boiled egg?

How many words can a pen with half refill write?

How many times do a clock's hands overlap in a day ?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

What work can one never finish?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

Solve below popular number sequence
314 159 265 358 979 323 846 ?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Can you count the number of children in the picture below