How many times are the hands of a clock are at right angle in a day?
घड़ी की सुइयां दिन में कितनी बार समकोण पर होती हैं?

Options

A. 22
B. 44
C. 11
D. 24

Answer

B

Explanation

As we know that the hands of a clock are at right angle twice in every hour. So, in a period of 12 hours, the hands of a clock are at right angles = 22 times.
`" "`[`because` Two positions of the hands of a clock i.e. at 3 o.clock and 9 o.clock are same.]
Therefore, the hands of a clock are at right angles with each other in a day i.e. in 24 hours = `(22 times 2)` times
`" "=44` times