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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 car is travelling at a constant rate of 45 km/h. The distance travelled by car from 10: 40 am to 1:00 pm is
Correct
Ans: (d)
Speed of a car= 45 km/h
Time taken by the car 1:00 pm to 10:40 am- 2h 20 min
=140 min= (140/60)h
So, required distance travelled by car = Speed x Time
= 45x (140/60)=105 km
Incorrect
Ans: (d)
Speed of a car= 45 km/h
Time taken by the car 1:00 pm to 10:40 am- 2h 20 min
=140 min= (140/60)h
So, required distance travelled by car = Speed x Time
= 45x (140/60)=105 km
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Question 2 of 5
2. Question
Two trains each 200 m long move towards each other on parallel lines with velocities 20 km/h and 30 km/h, respectively. What is the time that elapses when they first meet until they have cleared each other?
Correct
Ans: (c)
Relative speed of trains = (20+30)km/h
=50 km/h = 50 * (5/18)m/s
Total relative distance = 200 + 200 = 400 m
∴Required time = (400 * 18)/(50*5) = 28.8s
Incorrect
Ans: (c)
Relative speed of trains = (20+30)km/h
=50 km/h = 50 * (5/18)m/s
Total relative distance = 200 + 200 = 400 m
∴Required time = (400 * 18)/(50*5) = 28.8s
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Question 3 of 5
3. Question
Two trains are running on parallel lines in the same direction at speeds of 40 kmph and 20 kmph respectively. The faster train crosses a man in the second train in 36 seconds. The length of the faster train is
Correct
Ans: (a)
T = time required
LT+LO/(ST-SO)……………………………….(1)
ST-SO=40-20=20km/h
=20(5/18)=(50/9)m/s
Now t = (LT/50)/9 Þ36 = (LT/50)/9
So, LT = 200m
Incorrect
Ans: (a)
T = time required
LT+LO/(ST-SO)……………………………….(1)
ST-SO=40-20=20km/h
=20(5/18)=(50/9)m/s
Now t = (LT/50)/9 Þ36 = (LT/50)/9
So, LT = 200m
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Question 4 of 5
4. Question
As per the following expression, which of the choices given below is not true?
P = Q ≥T = Z< F ≤ R < S ≤ Q
Correct
Ans : (c)
Incorrect
Ans : (c)
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Question 5 of 5
5. Question
Which of the following expressions will be true, if the given expression ‘Z > Y ≥ X < W < V’ is definitely true?
Correct
Ans : (b)
Given expression: Z > Y ≥ X < W < V
We can’t compare Z and W, or Y and W. Hence, option 1), 3) and 4) do not follow. But X < V means V > X holds true. Hence, option 2) is true.
Incorrect
Ans : (b)
Given expression: Z > Y ≥ X < W < V
We can’t compare Z and W, or Y and W. Hence, option 1), 3) and 4) do not follow. But X < V means V > X holds true. Hence, option 2) is true.
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