Question

at 6'o clock, the clock strikes 6 times. the time between first and last strike was 20 sec. how much time does it take for clock to strike 9'o clock
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Answer 1

Answer:

20*6= 260 times in one hour

260 * 30 = 7800

i think this is the answer

Step-by-step explanation:

Answer 2

The clock takes 30 secs to strike 9'o clock.

Given:

Time taken by the clock to strike 6 times at 6'o clock= 20 sec

To Find:

Time taken by the clock to strike 9'o clock

Solution:

It is given that,

To strike 6 times, the clock takes= 20 sec

So, to strike 1 time, the clock takes= 20/6 sec= 10/3 sec

Now,

At 9'o clock, the no. of times the clock will strike= 9

Therefore, the time taken by the clock to strike 9 times

$=\frac{10}{3} X 9= 30 secs$

Therefore, the clock takes 30 secs to strike 9'o clock.

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