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A man can row 15 km/hr in still water. If the stream speed is 3 km/hr, how much time will he take to go 72 km downstream? a) 3 hrs b) 4 hrs c) 5 hrs d) 6 hrs

A train 250 m long passes a platform 150 m long in 20 seconds. Find its speed in km/hr. a) 54 b) 60 c) 72 d) 90 101pdf4ssc -

If ( a:b = 2:3, b:c = 4:5 ), find ( a:c ). a) 6:15 b) 8:15 c) 2:5 d) 4:5 A man can row 15 km/hr in still water