I am in touch with the police, and they will be here in ten minutes.

He said, "I am glad to be here this evening."

The minute hand of a clock is 2 cm long. Find the area of the face of the clock described by the minute hand between 7 am and 7 : 15 am.

The minute hand of a clock is 2 cm long. Find the area of the face of the clock described by the minute hand between 7 am and 7 : 15 am.

A metal ball cools from 62^(@)C to 50^(@)C in 10min and to 42^(@)C the next ten minutes. What will be its temperature at the end of next ten minutes ?