Question

Two clocks A and B are shown in the following figure. Clock A has an hour and a minute hand, whereas clock B has an hour hand, a minute hand as well as a second hand. Which of the following statement is correct for these clocks?

विकल्प

• A time interval of 30 seconds can be measured by clock A.

• A time interval of 30 seconds cannot be measured by clock B.

• Time interval of 5 minutes can be measured by both A and B.

• Time interval of 4 minutes 10 seconds can be measured by clock A.

Answer 1

Time interval of 5 minutes can be measured by both A and B.

Explanation:

Clock A can not measure seconds as it has not a second hand. Clocks A and B both have minute hands, so time interval of 5 minutes can be measured by both of them.