A girl leaves her home every day at 10:00 am and reaches office at 11 am. one day she leaves home at normal time and travelled the first half of the distance at the 2/3 of her original speed, at what speed should she travel at the 2nd half so that she reaches office on time.

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A girl leaves her home every day at 10:00 am and reaches office at 11 am. one day she leaves home at normal time and travelled the first half of the distance at the 2/3 of her original speed, at what speed should she travel at the 2nd half so that she reaches office on time.

Unnati Verma 28th Apr, 2020

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Answer (1)

Sk Student Expert 20th May, 2020

Hi

She'll at 9.25 am. She'll take 85 minutes

Step-by-step explanation:

regular speed is x/ninety kms consistent with minute.

1/three of the gap is travelled in three/four of the speed. therefore time taken is 40 mts. 2/3 is travelled

in 45 mts. therefore 85 mts.

Hope it helps

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