The speed of a boat in still water is 10 km/hr. If its speed down stream be 13 km/hr, then speed of the stream is
1.5 km/hr
3 km/hr
11.5 km/hr
5.75 km/hr
18 km per hour = ________ m/sec
5 m/sec
9 m/sec
180 m/sec
None of these
If 25 men can weave 120 metres of cloth in a day,how many metres of cloth can be woven by 35 men in a day?
168m
146m
135m
128m
A car completes a certain journey in 8 hours. It covers half the distance at 40 km/hr and the rest at 60 km/hr. The length of the journey in kilometres is
350
384
400
420
A can do a piece of work in 30 days while B can do it in 40 days. A and B working together can do it in.
70 days
42 3/4 days
27 1/7 days
17 1/7 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,B,C together earn Rs.150 per day while A and C together earn Rs.94 and B and C together earn Rs. 76. The daily earning of C is
Rs.75
Rs. 56
Rs.34
Rs.20
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
12 days
20 days
none of these
If 15 women can make 150 flowers in a day,how many flowers are made by 40 women in a day?
300
450
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
1 km/hr