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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 class of 60, where girls are twice that of boys, Kamal ranked seventeenth from the top. If there are 9 girls ahead of Kamal, how many boys are after him in rank?
Correct
Correct Answer : C
Explanation:
Let the number of boys be x.
Then, number of girls = 2x.
x + 2x = 60 or 3x = 60 or x = 20.
So, number of boys = 20 and number of girls = 40. Number of students behind Kamal in rank (60 – 17) =43. Number of girls ahead of Kamal in rank = 9.
Number of girls behind Kamal in rank = (40 – 9) = 31 Number of boys behind Kamal in rank = (43 – 31) = 12.
Incorrect
Correct Answer : C
Explanation:
Let the number of boys be x.
Then, number of girls = 2x.
x + 2x = 60 or 3x = 60 or x = 20.
So, number of boys = 20 and number of girls = 40. Number of students behind Kamal in rank (60 – 17) =43. Number of girls ahead of Kamal in rank = 9.
Number of girls behind Kamal in rank = (40 – 9) = 31 Number of boys behind Kamal in rank = (43 – 31) = 12.
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Question 2 of 5
2. Question
The 30 members of a club decided to play a badminton singles tournament. Every time a member loses a game he is out of the tournament. There are no ties. What is the minimum number of matches that must be played to determine the winner?
Correct
Correct Answer : B
Explanation: Clearly, every member except one (i.e., the winner) must lose one game to decide the winner. Thus, minimum number of matches to be played = 30 – 1 = 29.
Incorrect
Correct Answer : B
Explanation: Clearly, every member except one (i.e., the winner) must lose one game to decide the winner. Thus, minimum number of matches to be played = 30 – 1 = 29.
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Question 3 of 5
3. Question
A tailor had a number of shirt pieces to cut from a roll of fabric. He cut each roll of equal length into 10 pieces. He cut at the rate of 45 cuts a minute. How many rolls would be cut in 24 minutes?
Correct
Correct answer : D
Explanation:
Number of cuts made to cut a roll into 10 pieces = 9. Therefore, required number of rolls = (45 × 24)/9 = 120
Incorrect
Correct answer : D
Explanation:
Number of cuts made to cut a roll into 10 pieces = 9. Therefore, required number of rolls = (45 × 24)/9 = 120
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Question 4 of 5
4. Question
The letters L, M, N, O, P, Q, R, S and T in their order are substituted by nine integers 1 to 9 but not in that order. 4 is assigned to P. The difference between P and T is 5. The difference between N and T is 3. What is the integer assigned to N?
Correct
Correct Answer : D
Explanation:
N= 6
P= 4
T= 9
difference between P & T is 5 i.e., T = 5 + 4 = 9
difference between N & T is 3 i.e., N = 9 – 3 = 6 So, integer assigned to N = 6
Incorrect
Correct Answer : D
Explanation:
N= 6
P= 4
T= 9
difference between P & T is 5 i.e., T = 5 + 4 = 9
difference between N & T is 3 i.e., N = 9 – 3 = 6 So, integer assigned to N = 6
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Question 5 of 5
5. Question
Ravi is 7 ranks ahead of Sumit in a class of 39. If Sumit’s rank is seventeenth from the last, what is Ravi’s rank from the start?
Correct
Correct Answer : C
Explanation:
Sumit is 17th from the last and Ravi is 7 ranks ahead of sumit. So, Ravi is 24th from the last.
Number of students ahead of Ravi in rank = (39 – 24) = 15. So, Ravi is 16th from the start.
Incorrect
Correct Answer : C
Explanation:
Sumit is 17th from the last and Ravi is 7 ranks ahead of sumit. So, Ravi is 24th from the last.
Number of students ahead of Ravi in rank = (39 – 24) = 15. So, Ravi is 16th from the start.
