Question

In a day, how many times the hour hand &minute hand of a clock are at right angles to
each other ?
(1) 40
(2) 44
(3) 48
(4) 45​

Answer 1

Answer:

The minute hand makes only 11 revolutions, and so it is at right angles with the hour hand 22 times. In a 24 hour day you get 2×22=44.

Ans=44

Answer 2

Answer:

48 because there 24 hour in ha day then it should be multipled