What has hands, but can’t clap?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

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

A Miser man decided to go on a vacation for a month. He goes to the bank and asks for a trip loan of $500. The bank officer asks the man that the loan can only be approved when he mortgage some valuable thing at the bank. Miser man mortgages his only car whose worth was a whopping $80000. The Bank officer laughed at him and approve the loan instantly. After vacation when the miser man returns, the bank officer asked him "Are you an idiot, why is your mortgage such an expensive car for such a short loan?".

Miser man replied with some reason and the bank officer agreed that the miser man is actually not an idiot.

What did miser man reply to the bank loan officer?.

You need to arrange three 7 and mathematical symbols to form number 1?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

Buy me, smell me or deliver me, I do not change.

Who am I?

How can you make number one disappear by adding something to it?

I throw two dice simultaneously.

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

When monkey rotate the gear, which mark will be hit 1 or 2 ?