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).
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Question 1 of 5
1. Question
A batsman scored 200 runs which included 20 boundaries and 2 sixes. What percent of his total score did he make by running between the wickets?
Correct
Answer: (a)
20 boundaries = 20 × 4 = 80 runs
2 sixes = 2 × 6 = 12 runsTotal from boundaries and sixes = 92
Runs by running = 200 − 92 = 108
Percentage = (108 / 200) × 100 = 54%
Incorrect
Answer: (a)
20 boundaries = 20 × 4 = 80 runs
2 sixes = 2 × 6 = 12 runsTotal from boundaries and sixes = 92
Runs by running = 200 − 92 = 108
Percentage = (108 / 200) × 100 = 54%
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Question 2 of 5
2. Question
A clock is 15 minutes slow at 12 noon on a Monday and becomes 15 minutes fast by 12 noon the next Monday. At what time will the clock show exactly correct time?
Correct
Answer: (c)
Explanation
The clock goes from 15 minutes slow to 15 minutes fast in 7 days.
Total change = 30 minutes in 7 days.To become correct, it must gain 15 minutes (from −15 to 0).
Time required = (15 / 30) × 7 = 3.5 days.
Hence, 3.5 days.
Incorrect
Answer: (c)
Explanation
The clock goes from 15 minutes slow to 15 minutes fast in 7 days.
Total change = 30 minutes in 7 days.To become correct, it must gain 15 minutes (from −15 to 0).
Time required = (15 / 30) × 7 = 3.5 days.
Hence, 3.5 days.
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Question 3 of 5
3. Question
The dates 9th December 2015, 12th May 2013 and 20th January 2020 have a unique mathematical property if written in date-month-year format. On which among the following dates of September has the same property?
Correct
Answer: (a)
Explanation
The pattern is:(day)² + (month)² = (last two digits of year)²
Now month = 9.
Check the options:
For 12th September 2015:
12² + 9² = 144 + 81 = 225 = 15²So, the year must end in 15. This matches.
Hence, 12th September 2015 has the same property.
Incorrect
Answer: (a)
Explanation
The pattern is:(day)² + (month)² = (last two digits of year)²
Now month = 9.
Check the options:
For 12th September 2015:
12² + 9² = 144 + 81 = 225 = 15²So, the year must end in 15. This matches.
Hence, 12th September 2015 has the same property.
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Question 4 of 5
4. Question
If ‘N’ is a number of the form 222222… (50 times), then when N is divided by 9, what will be the remainder?
Correct
Answer: (b)
Explanation
Sum of digits = 2 × 50 = 100Now, 100 when divided by 9 gives remainder 1.
Hence, the number leaves remainder = 1
Incorrect
Answer: (b)
Explanation
Sum of digits = 2 × 50 = 100Now, 100 when divided by 9 gives remainder 1.
Hence, the number leaves remainder = 1
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Question 5 of 5
5. Question
A cuboid has six faces of different colours. The white face is opposite to black. The red face is adjacent to blue. The green face is adjacent to red. The white face is face down. Which one of the following would be opposite to green?
Correct
Answer: (a)
Explanation
Since white is opposite to black, these two are fixed as opposite faces.Red is adjacent to blue, and green is adjacent to red.
So, green cannot be opposite to red.In the cube arrangement, after placing the adjacent faces properly, the face opposite to green comes out to be blue.
Hence, blue is opposite to green.
Incorrect
Answer: (a)
Explanation
Since white is opposite to black, these two are fixed as opposite faces.Red is adjacent to blue, and green is adjacent to red.
So, green cannot be opposite to red.In the cube arrangement, after placing the adjacent faces properly, the face opposite to green comes out to be blue.
Hence, blue is opposite to green.
