Question

If the stoppage at 6th and 14th signal light is 29 and 69sec. find the stoppage at 10th signal light when all the stoppage at signal lights are in A.P.

Answer 1

Answer:

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Difference between 6th and 14th signal= 8 signals

Difference between 69sec and 29sec= 40sec

Time difference between 1 signal=$\frac{40}{8}$

$= 5sec$

Time at 6th signal = 29sec

Time at 10th signal$= 29 + 5 + 5 + 5 + 5$

$= 29 + 20$

$= 49sec$

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