How many times are the hands of a clock at right angle in a day?
22
24
44
48
Explanation:
In 12 hours, they are at right angles 22 times.
$\therefore$ In 24 hours, they are at right angles 44 times.
How many times are the hands of a clock at right angle in a day?
In 12 hours, they are at right angles 22 times.
$\therefore$ In 24 hours, they are at right angles 44 times.