How many times do a clock's hands overlap in a day ?

I am quite hot but become too cold if you remove the first two letters. What am I?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

What seven-letter word has hundreds of letters in it?

Can you find the mistake in the below statement?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Can you place three balls such that the equation shown in the picture holds true?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?