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?

What is the next number in the series?

15 29 56 108 208 ?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

I have Rs.50 and I spend it in the way as below.

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M