Question

*Notice the angle between the hour hand and the minute hand of the clock at the times given and identify the different angle.*

1️⃣ 3 o'clock
2️⃣ 4 o'clock
3️⃣ 5 o'clock
4️⃣ 8 o'clock​

Answer 1

Speed of the hands

A clock has three hooks and all three move at different rates. The speed of moving object depends on the distance travelled and the time taken to cover a specific range.

The speed is calculated by:

Speed = Distance/(Time taken)

The speed of a minute hand:

A minute hand travels 360° in one hour. i.e. it travels through all the 12 divisions around the clock every hour. (1 hour = 60 minutes)

Speed of a minute hand = (360°)/(60 minutes)

Speed of a minute hand = 6° per minute.

The speed of an hour hand:

An hour hand travels 30° in an hour. i.e. it covers a distance of 5 minutes (the gap between consecutive divisions) in 60 minutes.

Speed of an hour hand = (30°)/(60 minutes)

Speed of an hour hand =1/2 ° per minute.

To know more about IBPS Syllabus, check at the linked article.

Answer 2

Answer:

angle made in 12hour=360⁰

angle made in 1hour=360/12

30⁰

so at 12 angle is 0⁰

so minutes hand on at 3 o'clock 12

and 30⁰ in 1h

so 3×30

90⁰

and at 4 o'clock

4×30

120⁰

at 5 o'clock

5×30

150⁰

at 8 o'clock

8×30

240⁰

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