What has many keys but can’t open a single lock?

How many triangles can you find in this given picture?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Can you find a five letter word that is left with only two letters if one is removed?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

Who always enjoys poor health?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?