Question

A clock is started at noon. By 10 minutes past 5, the hour hand has turned through:

A) 145 B) 150 C) 155 D) 160

Answer 1

In 12 hrs, hour hand takes one round i.e it moves by 360 degrees.

So in 1 hr, hour hand moves by 30 degrees.

In 10 min, hour hand moves by 30*10/60= 5 degrees 

Therefore,

In 5 hr 10 mins, hour hand moves by,

30*5 + 5 = 155 degrees 

ANSWER: 155°

Answer 2

Your answer is 155° .