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
In a 500 metres race, B starts 45 metres ahead of A, but A wins the race while B is still 35 metres behind. What is the ratio of the speeds of A to B assuming that both start at the same time?
Correct
Solution : A
Total distance = 500 m
For A ,
Speed =distance/time
Sa=500/t
For B,
Distance will be = 500 – ( 45 + 35)
500 – 80
420 m
Sb = 420/t
time is same for A & B
Now : Ratio of speed = speed of A/ speed of B
= (500/t)/(420/t)
=500/420
=25/21
= 25:21
Incorrect
Solution : A
Total distance = 500 m
For A ,
Speed =distance/time
Sa=500/t
For B,
Distance will be = 500 – ( 45 + 35)
500 – 80
420 m
Sb = 420/t
time is same for A & B
Now : Ratio of speed = speed of A/ speed of B
= (500/t)/(420/t)
=500/420
=25/21
= 25:21
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Question 2 of 5
2. Question
Two equal glasses of same type are respectively 1/3 and 1/4 full of milk. They are then filled up with water and the contents are mixed in a pot. What is the ratio of milk and water in the pot?
Correct
Solution : A
Incorrect
Solution : A
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Question 3 of 5
3. Question
Out of 130 students appearing in an examination, 62 failed in English, 52 failed in Mathematics, whereas 24 failed in both English and Mathematics. The number of students who passed finally is
Correct
Solution : A
Total students = 130
Total failed students = 38 + 24 +28
= 90
Number of students passed = 130 – 90
= 40
Incorrect
Solution : A
Total students = 130
Total failed students = 38 + 24 +28
= 90
Number of students passed = 130 – 90
= 40
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Question 4 of 5
4. Question
In a group of persons travelling in a bus, 6 persons can speak Tamil, 15 can speak;Hindi and 6 can speak Gujarati. In that group none can speak any other language. If 2 persons in the group can speak two languages only and one person can speak all the three languages, then how many persons are there in the group?
Correct
Solution :C
In the group –
Person speaking Tamil = 6
Hindi = 15
Gujarati = 6
H1 + T + G -x2-x1-x = Total T
15 + 6 + 6 – 2 – 1 – 1
T = 23
Incorrect
Solution :C
In the group –
Person speaking Tamil = 6
Hindi = 15
Gujarati = 6
H1 + T + G -x2-x1-x = Total T
15 + 6 + 6 – 2 – 1 – 1
T = 23
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Question 5 of 5
5. Question
In a parking area, the total number of wheels of all the cars (four-wheelers) and scooters/motorbikes (two-wheelers) is 100 more than twice the number of parked vehicles. The number of cars parked is
Correct
Solution : C
Number of cars park = 130 – 90
= 40
=4 ( cars) + 2 ( scooters ) = 100 + 2 ( cars + scooter )
= 4 (cars) +2 ( scooters ) = 100 + 2 ( cars) + 2 (scooter )
∴ 2 ( cars ) = 100
Cars =100/2
= 50
Incorrect
Solution : C
Number of cars park = 130 – 90
= 40
=4 ( cars) + 2 ( scooters ) = 100 + 2 ( cars + scooter )
= 4 (cars) +2 ( scooters ) = 100 + 2 ( cars) + 2 (scooter )
∴ 2 ( cars ) = 100
Cars =100/2
= 50
