The Quantitative Aptitude Section is one of the scoring sections of the bank examination. The Quantitative Aptitude is definitely be helping you if practicing it with Sincerity. 11th July 2020 SBI Clerk Mains Quiz Based on- Trains, Boat & Stream and Missing Series. Stay with Bankers Adda for the latest Quizzes, Study notes, Test series, and other helpful study material.
Q1. Time taken by a boat to cover (D-15) km in upstream is 3 times of the time taken by boat to cover (D-5) km in downstream. If ratio of speed of the boat in still water to speed of boat in downstream is 5 : 8 and boat can cover (D-21) km in downstream in 3 hours, then, find speed of boat in still water?
(a) 6 kmph
(b) 4 kmph
(c) 8 kmph
(d) 5 kmph
(e) 7 kmph
Q2. 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?
(a) 66 kmph
(b) 72 kmph
(c) 48 kmph
(d) Cannot be determined
(e) None of these
Q3. A certain passenger train travels at the rate of 42 km/hr, and a goods train whose length is half of the passenger train, travels at 33 km/hr. When the two are travelling in the same direction it takes 50 seconds to cross each other. How long does it take the two trains to pass each other when they are travelling in opposite directions?
(a) 6 sec
(b) 18 sec
(c) 21 sec
(d) 12 sec
(e) 18 sec
Q4. A man can row at a speed of 4.5 km/hr in still water to a certain upstream point and back to the starting point in a river which flows at 1.5 km/hr. Find his average speed for total journey.
(a) 4 km/hr
(b) 6 km/hr
(c) 4.5 km/hr
(d) 5 km/hr
(e) None of these
Q5. Ratio between length of two trains is 1 : 2 and speed of two trains is 120 km/hr & 108 km/hr respectively and both trains running in same direction cross each other in 108 sec. If two compartments were added in smaller train then it can cross a platform of length of 12.5 times of length of one compartment in 14.04 sec, then find the time taken by longer train to cross that same platform, if five new compartments were added in to that train?
(a) 18 sec
(b) 22 sec
(c) 16 sec
(d) 20 sec
(e) 28 sec
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