The number of times in a day the Hour-hand and the Minute-hand of a clock are at right angles, is
The number of times in a day the Hour-hand and the Minute-hand of a clock are at right angles, is
(a) 44 (b) 48 (c) 24 (d) 12
4 views
1 Answers
(b) No. of right angles in one hour = 2
∴No. of right angles in 24 hours = 24 × 2 = 48
4 views
Answered