If eleven plus two equals one, what does nine plus five equal?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

In the image given, you can find several triangles. Can you count them all?

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?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

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?