1. A plane travels 695km with wind and 498km aginst
the wind in same time.The speed of wind is 21km/hr. Find
the speed of plane?
Answer Posted / guest
in previous i forgot 1 infornt of 27.17
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in a railway station, there are tow trains going. One in the harbour line and one in the main line, each having a frequency of 10 minutes. the main line service starts at 5 o'clock. the harbour line starts at 5.02a.m. a man goes to the station every day to catch the first train. what is the probability of man catching the first train
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