Explore topic-wise MCQs in Arithmetic Ability.

This section includes 103 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

51.

A boat travels 24 km upstream in 6 h and 20 km downstream in 4 h. then, the speed of a boat in still water and the speed of current are respectively

A. 4.5 km/h and 3 km/h
B. 4.5 km/h and 0.5 km/h
C. 4 km/h and 2 km/h 5 km/h and 2 km/h
D. 5 km/h and 2 km/h
Answer» C. 4 km/h and 2 km/h 5 km/h and 2 km/h
52.

A boat travels 72 km downstream in 8 hours and 84 km upstream in 12 hours. Find the speed of the boat in still water and the speed of the water current ?

A. 9 and 3 kmph
B. 6 and 7 kmph
C. 8 and 1 kmph
D. 7 and 2 kmph
Answer» D. 7 and 2 kmph
53.

A boat takes 2 hours to travel from point A to B in still water. To find out its speed upstream, which of the following information is/are required?_x005F_x000D_ A. Distance between point A and B._x005F_x000D_ B. Time taken to travel downstream from B to A._x005F_x000D_ C. Speed of the stream of water.

A. Only A and B
B. Only B and C
C. All are required
D. Any one pair of A and B, B and C or C and A is sufficient
Answer» E.
54.

A boat takes 19 hours for travelling downstream from point A to point B and coming back to a point C which is at midway between A and B. If the velocity of the stream is 4 kmph and the speed of the boat in still water is 14 kmph, what is the distance between A and B ?

A. 180 km
B. 160 km
C. 140 km
D. 120 km
Answer» B. 160 km
55.

A boat sails 15 km of a river towards upstream in 5 hours. How long will it take to cover the same distance downstream, if the speed of current is one-fourth the speed of the boat in still water:

A. 1.8h
B. 3h
C. 4h
D. 5h
Answer» C. 4h
56.

A boat moves down stream at the rate of 8km/hr. and upstream at 4Km/hr. The speed of the boat in still waters is:

A. 4.5 km/hr.
B. 5 km/hr.
C. 6 km/hr.
D. 6.4 km/hr.
Answer» D. 6.4 km/hr.
57.

A boat goes a certain distance at 40 km/hr and comes back the same distance at 24 km/hr. What is the average speed (in km/hr) for the total journey?

A. 32
B. 28
C. 34
D. 30
Answer» E.
58.

A boat goes 8 km upstream and 12 km downstream in 7hours. It goes 9 km upstream and 18 km downstream in 9 hours. What is the speed (in km/h) of the boat in still water?_x005F_x000D_

A. 5
B. 4
C. 2
D. 3
Answer» E.
59.

A boat goes 4 km upstream and 4 km downstream in 1 hour. The same boat goes 5 km downstream and 3 km upstream in 55 minutes. What is the speed (in km/hr) of oat in still water?

A. 6.5
B. 7.75
C. 9
D. 10.5
Answer» D. 10.5
60.

A boat covers a distance of 14 km upstream and 16 km downstream in 9 hours. It covers a distance of 12 km upstream and 40 km downstream in 11hours. What is the speed (in km/hr) of the boat in still water?_x005F_x000D_

A. 5
B. 2
C. 3
D. 4
Answer» B. 2
61.

A boat covers 63 km upstream in 9 hours and covers the same distance downstream in 7 hours . What is the speed (in km/ hr) of the boat in still water?

A. 8.7
B. 8.5
C. 7
D. 8
Answer» E.
62.

A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km/hr) of the boat in still water?_x005F_x000D_

A. 10
B. 12
C. 14
D. 8
Answer» C. 14
63.

A boat cover row 12 km upstream in 4 hours and can cover the same distance downstream in 3 hours. What is the speed (in km/hr) of the boat in still water?_x005F_x000D_

A. 3.5
B. 3
C. 2.5
D. 2
Answer» B. 3
64.

A boat can move 5 km/hr in still water. If the river is running at 1 km/hr, it takes it 75 min to move to a place and back. How far is the place?

A. 3 kms
B. 5 kms
C. 6 kms
D. 4 kms
Answer» B. 5 kms
65.

A boat at anchor is rocked by waves whose consecutive crests are 125 m apart. The velocity of the wave of the moving crests is 25 m/s. What is the frequency of the rocking of the boat?

A. 0.20 Hz
B. 625 Hz
C. 250 Hz
D. 100 Hz
Answer» B. 625 Hz
66.

A motorboat takes half time to cover a certain distance downstream than upstream. What is the ratio between rate of current and rate of boat in still water?

A. 0.04375
B. 0.12638888888889
C. 0.085416666666667
D. 0.12569444444444
Answer» B. 0.12638888888889
67.

On a river , Q is the mid - point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours 40 minutes. How long would it take to go from R to P?~!

A. 33/7 hr
B. 5 hr
C. 62/3 hr
D. 71/3 hr
Answer» E.
68.

A man can row upstream at 12km/hr and downstream at 18 km/hr. The man rowing speed in still water is?~!

A. 15 km/hr
B. 5 km/hr
C. 3 km/hr
D. 10 km/hr
Answer» B. 5 km/hr
69.

*/*_A boat moves downstream at the rate of 1 km in 71/2 minutes and upstream at the rate of 5 km an hour. What is the speed of the boat in the still water??

A. 8 km/hour
B. 61/2 km/hour
C. 4 km/hour
D. 31/2 km/hour
Answer» C. 4 km/hour
70.

*/*_A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:?

A. 1 km/hr
B. 1.5 km/hr
C. 2 km/hr
D. 2.5 km/hr
Answer» B. 1.5 km/hr
71.

*/*_A boat can tarvel 36 km upstream in 5 hours. If the speed of the stream is 2.4 kmph, how much time will the boat take to cover a distance of 78 km downstream?(in hours)?

A. 5
B. 6.5
C. 5.5
D. 8
Answer» C. 5.5
72.

*/*_A man row to a place 48 km distant and back on 14 hours text. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is??

A. 1 km/hr
B. 1.5 km/hr
C. 1.8 km/hr
D. 3.5 km/hr
Answer» B. 1.5 km/hr
73.

_ P, Q and R are three towns on a river which flows uniformly. Q is equidistant from P and R. I row from P to Q and back in 10 hours and I can row from P to R in 4 hours. Compare the speed of my boat in still water with that of the river.$?

A. 4:3
B. 5:3
C. 6:5
D. 7:3
Answer» C. 6:5
74.

_ 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
Answer» C. 3 : 2
75.

_ The speed of the boat in still water is 5 times that of current, it takes 1.1 hour to row to point B from point A downstream. The distance between point A and point B is 13.2 km. How much distance (in km) will it cover in 312 minutes upstrem?$?

A. 43.2
B. 48
C. 41.6
D. 44.8
Answer» D. 44.8
76.

_ The speed of a boat in still water is 10 km/hr. If it can travel downstream and 14 km upstream in the same time, the speed of the stream is-$?

A. 2 km/hr
B. 2.5 km/hr
C. 3 km/hr
D. 4 km/hr
Answer» D. 4 km/hr
77.

A motorboat in still water travels at a speed of 36 km/hr. It goes 56 km upstream in 1 hour 45 monutes. The time taken by it to cover the same distance down the stream will be-$?

A. 1 hour 24 minutes
B. 2 hour 21 minutes
C. 2 hour 25 minutes
D. 3 hour
Answer» B. 2 hour 21 minutes
78.

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
Answer» E.
79.

A man takes 2.2 times as long to row a distance upstream as to row the same distance downstream. If he can row 55 km downstream in 2 hour 30 minutes, what is the speed of the boat in the still water?$?

A. 40 km/h
B. 8 km/h
C. 16 km/h
D. 24 km/h
Answer» D. 24 km/h
80.

The speed of a boat downstream is 15 km/hr and the speed of current is 3 km/hr. Find the total time taken by the boat to cover 15 km upstream and 15 km downstream.$?

A. 2 hours 40 minutes
B. 2 hours 42 minutes
C. 2 hours 10 minutes
D. 2 hours 30 minutes
Answer» B. 2 hours 42 minutes
81.

The speed of a boat along the stream is 12 km/hr and against the stream is 8 km/hr. The time taken by the boat to sail 24 km in still water is?

A. 2 hrs
B. 3 hrs
C. 2.4 hrs
D. 1.2 hrs
Answer» D. 1.2 hrs
82.

A man can row three-quarters of a kilometre against the stream in 111/4 minutes and down the stream in 71/2 minutes. The speed (in km/hr) of the man in still water is:

A. 2
B. 3
C. 4
D. 5
Answer» E.
83.

If the speed of a boat in still water is 20km/hr and the speed of the current is 5km, then the time taken by the boat to travel 100 km with the current is?

A. 2 hr
B. 3 hr
C. 4 hr
D. 7 hr
Answer» D. 7 hr
84.

A man rows 12 km in 5 hours against the stream and the speed of current being 4 kmph. What time will be taken by him to row 15 km with the stream?

A. 1hour 277/13 minutes
B. 1hour 247/13 minutes
C. 1hour 257/13 minutes
D. 1hour 267/13 minutes
Answer» E.
85.

A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr he takes 4 hours more in upstream than the downstream. The distance is?

A. 30km
B. 24km
C. 20km
D. 32km
Answer» E.
86.

Speed of a along and against the current are 14 kms/hr and 8 kms/hr respectively. The speed of the current is?

A. 11 km/hr
B. 6 km/hr
C. 5.5 km/hr
D. 3 km/hr
Answer» E.
87.

A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is?

A. 2:1
B. 4:3
C. 1:2
D. 3:1
Answer» E.
88.

A boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. Then the speed of boat in still water and the speed of current are respectively.

A. 4 kmph and 3 kmph
B. 4.5 kmph and 0.5 kmph
C. 4 kmph and 2 kmph
D. 5 kmph and 2 kmph
Answer» C. 4 kmph and 2 kmph
89.

A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hour to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?

A. 2:1
B. 3:2
C. 8:3
D. Can not be determined
E. None of these
Answer» D. Can not be determined
90.

A boat while dowenstream in a reiver converd a distance of 50 miles at an average speed of 60 miles per hour. While returning , because of the water resistance , it took 1 hour 15 minutes to cover the same distance What was the average speed during the whole journey?

A. 40 mph
B. 48 mph
C. 50 mph
D. 55 mph
Answer» C. 50 mph
91.

A boat covers 24 km upstream and 36 km downstream in 6 hours, while it covers 36 km upstream and 24 km downstream in 61/2 hours. The speed of the current is?

A. 1 km/hr
B. 2 km/hr
C. 1.5 km/hr
D. 2.5 km/hr
Answer» C. 1.5 km/hr
92.

A boat covers 24 km upstream and 36 km downstream in 6 hours, while it covers 36 km upstream and 24 km downstream in 61/2 hours. The speed of the current is?

A. 1 km/hr
B. 2 km/hr
C. 1.5 km/hr
D. 2.5 km/hr
Answer» C. 1.5 km/hr
93.

A man can row at a speed of 41/2km/hr in still water. If he takes 2 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) is-

A. 1
B. 1.5
C. 2
D. 2.5
Answer» C. 2
94.

In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

A. 3 km/hr
B. 5 km/hr
C. 8 km/hr
D. 9 km/hr
Answer» D. 9 km/hr
95.

A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:

A. 4
B. 5
C. 6
D. 10
Answer» C. 6
96.

A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?

A. 2 : 1
B. 3 : 2
C. 8 : 3
D. Cannot be determined
E. None of these
Answer» D. Cannot be determined
97.

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:

A. 8.5 km/hr
B. 9 km/hr
C. 10 km/hr
D. 12.5 km/hr
E. None of these
Answer» D. 12.5 km/hr
98.

A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.

A. 2 hours
B. 3 hours
C. 4 hours
D. 5 hours
E. None of these
Answer» D. 5 hours
99.

A boat covers a certain distance downstream in 1 hour, while it comes back in 11/2 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

A. 12 kmph
B. 13 kmph
C. 14 kmph
D. 15 kmph
E. None of these
Answer» E. None of these
100.

A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?

A. 2.4 km
B. 2.5 km
C. 3 km
D. 3.6 km
E. None of these
Answer» B. 2.5 km