Question

19) Find the number of right angles turned through by the hour hand of a clock
when it goes from
a) I to 4
b) 4 to 10​

Answer 1

Answer:

It starts from 2 and covers digits 3, 4, 5, 6, 7 and 8. So, hour hand turned by two right angles, (c) Here, the hour hand moves from 5 to 11. It starts from 5 and covers digits 6, 7, 8, 9, 10 and 11. So, hour hand turned by two right angles