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 cricketer played 80 innings and scored an average of 99 runs. His score in the last inning is zero run. To have an average of 100 at the end , his score in the last innings should have been
Correct
Answer : d
Let the required runs be = x
According to question : 80*99+x/80= 100
7920 + x = 8000
X = 8000 – 7920
= 80
Incorrect
Answer : d
Let the required runs be = x
According to question : 80*99+x/80= 100
7920 + x = 8000
X = 8000 – 7920
= 80
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Question 2 of 5
2. Question
In the afternoon, a student read 100 pages at rate of 60 pages/h. In the evening, when she was tired, she read 100 more pages at the rate of 40pages/h., What was her average rate of reading, in pages per hour?
Correct
Answer: a
Required average rate of reading = 2ab/a+b
= 2*60*40/ 60+40
= 2*60*40/100 = 48 pages/hour.
Incorrect
Answer: a
Required average rate of reading = 2ab/a+b
= 2*60*40/ 60+40
= 2*60*40/100 = 48 pages/hour.
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Question 3 of 5
3. Question
The average marks of 120 students are 35. If he average of passed students was 39 and failed students was 15, then find the number of students who have passed.
Correct
Answer : b
Here n = 120
a = 35
x = 39
y = 15
Number of students passed = n(a-y)/ (x-y)
= 120 (35-15)/ (39-15)
=120*20/24 = 100 students passed
Incorrect
Answer : b
Here n = 120
a = 35
x = 39
y = 15
Number of students passed = n(a-y)/ (x-y)
= 120 (35-15)/ (39-15)
=120*20/24 = 100 students passed
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Question 4 of 5
4. Question
Mr. Budda travels in his car and covers ¼ part of his journey with 8 km/h, 3/5 part with 6 km/h and remaining 3/20 part with a speed of 10 km/h. Find out his average speed during the whole journey.
Correct
Answer : a
Incorrect
Answer : a
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Question 5 of 5
5. Question
The average salary per head of all workers of an institution is Rs.60. The average salary per head of 12 officers is Rs. 400 . The average salary per head of the rest is Rs.56. Then, the total number of workers in the institution is
Correct
Answer : b
Let the total number of workers = x
According to question : 60x = 12 * 400 + 56 ( x – 2 )
60x – 56x = 4800 – 672
4x=4128
X = 1032
Incorrect
Answer : b
Let the total number of workers = x
According to question : 60x = 12 * 400 + 56 ( x – 2 )
60x – 56x = 4800 – 672
4x=4128
X = 1032
