Insta–DART (Daily Aptitude and Reasoning Test) 2020 - 21
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Considering the alarming importance of CSAT in UPSC CSE Prelims exam and with enormous requests we received recently, InsightsIAS has started Daily CSAT Test to ensure students practice CSAT Questions on a daily basis. Regular Practice would help one overcome the fear of CSAT too.
We are naming this initiative as Insta– DART – Daily Aptitude and Reasoning Test. We hope you will be able to use DART to hit bull’s eye in CSAT paper and comfortably score 100+ even in the most difficult question paper that UPSC can give you in CSP-2021. Your peace of mind after every step of this exam is very important for us.
Looking forward to your enthusiastic participation (both in sending us questions and solving them on daily basis on this portal).
Wish you all the best ! 🙂
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Question 1 of 5
1. Question
A train covers 90 m in passing a standing man. Find the length of the train.
Correct
Answer : d
We know that, the distance covered by a train in passing a pole or a standing man or a signal post or any other object (of negligible length) is equal to the length of the train. In this case, train covers 90 m to cross a standing man.
∴Length of the train= 90 m
Incorrect
Answer : d
We know that, the distance covered by a train in passing a pole or a standing man or a signal post or any other object (of negligible length) is equal to the length of the train. In this case, train covers 90 m to cross a standing man.
∴Length of the train= 90 m
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Question 2 of 5
2. Question
A 220 m long train passes a signal post in 12 s. Find the speed of the train.
Correct
Answer : c
We know that,
Speed = (Distance)/(Time)
Speed of the train =[ (220)/(12 )] * [(18)/(5)] = 66 km/h
Incorrect
Answer : c
We know that,
Speed = (Distance)/(Time)
Speed of the train =[ (220)/(12 )] * [(18)/(5)] = 66 km/h
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Question 3 of 5
3. Question
A train takes 9 s to cross a pole. If the speed of the train is 48 km/h, then length of the train is
Correct
Answer : b
Let the length of the train be x m.
Now, speed = 48 km/h = 48 * (5/18) m/s
Train takes 9 s to cross a pole.
Length of train, x = Speed x Time = 48 * (5/18) * 9 = 120 m
Incorrect
Answer : b
Let the length of the train be x m.
Now, speed = 48 km/h = 48 * (5/18) m/s
Train takes 9 s to cross a pole.
Length of train, x = Speed x Time = 48 * (5/18) * 9 = 120 m
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Question 4 of 5
4. Question
A train running at the speed of 72 km/h goes past a pole in 15 s. What is the length of the train?
Correct
Answer : c
Speed of train = (Length of train )/ (Time taken to cross the stationary object)
∴Length of train = Speed of train x Time
taken to cross the stationary object = (72 * 5 * 15 )/18 = 300 m
Incorrect
Answer : c
Speed of train = (Length of train )/ (Time taken to cross the stationary object)
∴Length of train = Speed of train x Time
taken to cross the stationary object = (72 * 5 * 15 )/18 = 300 m
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Question 5 of 5
5. Question
150 m long train running with the speed of 90 km/h to cross a bridge in 26s. What is the length of the bridge?
Correct
Answer : a
Let length of bridge be x m.
We know, speed = (Distance )/Time
According to the question, 90 * (5/18) = (150 + x )/26
25 * 26 = 150 + x
650 = 150 + x
∴ x = 500 m
Incorrect
Answer : a
Let length of bridge be x m.
We know, speed = (Distance )/Time
According to the question, 90 * (5/18) = (150 + x )/26
25 * 26 = 150 + x
650 = 150 + x
∴ x = 500 m
