If 5 men or 9 women can do a piece of work in 19 days: 3 men and 6 women will do the same work in:
10 days
12 days
13 days
15 days
A train 150 metres long running with a speed of 30 km/hr.Will pass a standing man in:
18 Seconds
45 Seconds
12 Seconds
5 Seconds
A train running at the rate of 36 km/hr passes a standing man in 8 seconds. The length of the train is
45 metres
280 metres
80 metres
48 metres
A train 120 m long, crosses a pole in 10 seconds. The speed of the train is
40 km/hr
43.2 km/hr
45 km/hr
None of these
A and B together can do a piece of work in 12 days, B alone can finish it in 30 days.In how many days can A alone finish the work?
30 days
20 days
none of these
The speed of a boat in still water is 2 km/hr. If its speed upstream be 1 km/hr, then the speed of the stream is
2 km/hr
3 km/hr
1 km/hr
A can do a piece of work in 25 days and B can finish it in 20 days. They work together for 5 days and then A goes away. In how many days will B finish the work?
11 days
40 days
A sum of money is sufficient to pay A's wages for 21 days or B's wages for 28 days. The money is sufficient to pay the wages of both for
12 1/4 days
14 days
A and B can together do a piece of work in 15 days. B alone can do it in 20 days. A alone can do it in
45 days
60 days
18 km per hour = ________ m/sec
5 m/sec
9 m/sec
180 m/sec
