Bus covers a certain distance at consta...

Bus covers a certain distance at constant speed in certain time .Speed of bus is directly proportional to covered distance and inversely proportional to the square root of time taken by bus .If bus covers 60 km . In 4 hrs . At a speed of 40 km /hr then find distance travelled in 9 hrs . at speed of 44km./hr ?

70 km .

89 km.

90 km.

99 km.

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