SBI PO Quantitative Aptitude (Boat and Stream) Quiz For Prelims: 18th April

Quantitative Aptitude Quiz For SBI PO/Clerk Prelims

Q1. A boat takes 12 hours to cover an upstream distance of 48 km and 6 hours to come back same distance in downstream. What is the speed of boat in steel water?

Solution:

Q2. A swimmer can swim 33⅓% faster in downstream than in upstream. He takes 4 hours to swim a distance of 32 km in still water. Speed of stream is how much percent of upstream speed?

Solution:

Q3. Rohit and Mohit are coming via boat towards each other from the two banks of a river. They meet after three hours from start. If speed of both boats in still water is 6 kmph and river is flowing from Mohit towards Rohit, then find the distance between two banks.

Solution:

Q4. 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

Solution:

Q5. 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 in still water and speed of the water current respectively?

Solution:

Let the man's rate in upstream be x kmph and in downstream be y kmph.

Then, distance covered upstream in 8 hrs 48 min = Distance covered downstream in 4 hrs.

Q6. A boat takes 9hr to travel a distance upstream and takes 6hr to travel the same distance downstream. If the speed of the boat in still water is 4 kmph, then what is the velocity of the stream?

Solution:

Q7. A boat has to travel upstream 20 km distance from point X of a river to point Y. The total time taken by boat in travelling from point X to Y and Y to X is 41 min 40 s. What is the speed of the boat?

Solution:

Q8. A steamer goes downstream from one port to another in 4 hr. It covers the same distance upstream in 5 hr. If the speed of the stream is 2 kmph, then find the distance between the two ports.

Solution:

Q9. The ratio of speeds of a motorboat to that of the current of water is 36 : 5. The motorboat goes along with the current in 5 hours 10 min. Find the time taken by motorboat to come back.

Solution:

Q10. Kamal can row a certain distance downstream in 12 hours and can return the same distance in 18 hours. If the stream flows at the rate of 6 kmph, then find the speed of Kamal in still water.

Solution:

Directions (11-15): Simplify the following problems. 


 Q11. 17 × 25 – 240 +? ÷ 41 = 354

Solution:

Q12.

Solution:

Q13. ? ÷ 13 + 2262 ÷ 39 × 243 + 273 ÷ 3 = 5 × (1481 + 1376)

Solution:

Q14. 3.4 × 2.6 × 5.4 ÷ 1.8 ÷ 0.17 =? ÷ 0.8

Solution:

Q15.

Solution:

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