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Basic Maths Mcqs

A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________?

A. 7 km/h
B. 5 km/h
C. 3 km/h
D. 2 (1/2) km/h
Explanation:
100 — 10 DS = 10
? —- 1
75 —- 15 US = 5
? —– 1 S = (10 – 5)/2
= 2 2 ½ kmph

A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?

A. 3
B. 4
C. 4 (1/2)
D. Insufficient data
Explanation:
M = 4
S = 2
US = 4 – 2 = 2
D = 6
T = 6/2 = 3

A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph. then the man’s rate along the current is__________?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph. then the man’s rate along the current is__________?

A. 4.25 kmph
B. 6 kmph
C. 6.5 kmph
D. 8.5 kmph

If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph. then the man’s rate along the current is__________? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is________?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is________?

A. 2 : 1
B. 3 : 1
C. 3 : 2
D. 4 : 3

A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is________? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is_________?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is_________?

A. 16 hours
B. 18 hours
C. 20 hours
D. 24 hours

Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is_________? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:_________?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:_________?

A. 2
B. 3
C. 4
D. 5

A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:_________? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?

A. 40 minutes
B. 1 hour
C. 1 hr 15 min
D. 1 hr 30 min

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

A man can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the same distance in river. The speed of the current is:________?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
A man can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the same distance in river. The speed of the current is:________?

A. 3 1/3 km/hr
B. 3 1/9 km/hr
C. 1 ¼ km/hr
D. 4 2/3 km/hr
Explanation:
Let Speed upstream = x km/hr
Speed downstream = 3x km/hr
Speed in still water = ½ (x+3x) km/hr = 2x km/hr
Speed of current = ½ (3x-x) km/hr = x km/hr
2x = 28/3 or x = 14/3 = 4 2/3 km/hr

A man can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the same distance in river. The speed of the current is:________? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9km/hr and the speed of the current is 3km/hr, the distance A and B is:_______?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9km/hr and the speed of the current is 3km/hr, the distance A and B is:_______?

A. 4km
B. 6 km
C. 8 km
D. 12 km
Explanation:
Speed downstream = (9+3) km/hr = 12km/hr
Speed upstream = (9-3) km/hr = 6 km/hr
Distance AB = x km
x/6 + x/12 = 3
=> 2x + x = 36
=> x= 12

A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9km/hr and the speed of the current is 3km/hr, the distance A and B is:_______? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs

The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs /
The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?

A. 1.5km/hr
B. 3km/hr
C. 1km/hr
D. none
Explanation:
Let the speed of stream be x km/hr
Speed upstream = (2-x) km/hr = 2-x = 1 => x = 1 km/hr

The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________? Read More »

Basic Maths Mcqs, Boats and Streams, Mathematics Mcqs