What happened when the wheel was invented?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Which country gets ill every time?

What does below pictogram mean?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

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 goes through cities and fields, but never moves?

No matter how little or how much you use me, you change me every month. What am I?

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

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?