Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Can you quickly find which two matchstick figures are identical?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

What jumps when it walks and sits when it stands?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

A man dies of old age on his 25 birthday. How is this possible?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

John bought a new car. He has a habit of eating ice cream from a particular ice cream shop while returning home from office. Whenever, he eats strawberry ice cream, he faces no problem. But whenever, he eats chocolate ice cream, the car starts giving problem. At first, he thinks, it is just a co-incidence but when this awkward incident happens for 3-4 times, he reports this problem to the company.

The mechanic of the company checks but finds no problem at all. The next day, when he stops by to eat chocolate ice cream, the car again starts giving problem.

Can you find the possible reason?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?