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 the following question, one term in the number series is wrong. Find out the wrong term.
125, 126, 124, 127, 123, 129
Correct
Solution : D
The correct pattern is
+1, 2, +3, 4, +5,
So, 129 is wrong and must be
replaced by (123+ 5) i.e., 128.
Incorrect
Solution : D
The correct pattern is
+1, 2, +3, 4, +5,
So, 129 is wrong and must be
replaced by (123+ 5) i.e., 128.
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Question 2 of 5
2. Question
In the following question, one term in the number series is wrong. Find out the wrong term.
7, 11, 18, 35, 67, 131, 259
Correct
Solution : D
The given sequence of number follows the pattern
11*2-3=19
Therefore, 19 should be in place of 18.
Incorrect
Solution : D
The given sequence of number follows the pattern
11*2-3=19
Therefore, 19 should be in place of 18.
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Question 3 of 5
3. Question
In the following question, one term in the number series is wrong. Find out the wrong term.
3, 2, 8, 9, 13, 22, 18, 32, 23, 42
Correct
Solution : B
The series is alternate one.
So, the wrong number is 9.
In place of 9, it should be 2 + 10
= 12 in the series.
Incorrect
Solution : B
The series is alternate one.
So, the wrong number is 9.
In place of 9, it should be 2 + 10
= 12 in the series.
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Question 4 of 5
4. Question
In the following question, one term in the number series is wrong. Find out the wrong term.
48, 24, 72, 34, 108, 54
Correct
Solution: D
The given sequence of number follows the pattern
72 / 2 = 36
Therefore, 36 should be in place of 34
Incorrect
Solution: D
The given sequence of number follows the pattern
72 / 2 = 36
Therefore, 36 should be in place of 34
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Question 5 of 5
5. Question
In the following question, one term in the number series is wrong. Find out the wrong term.
24, 27, 31, 33, 36
Correct
Solution : B
24 27 31 33 36
In the series, each term is increased
by 3 to get the next term. According
to this pattern, after 27, 27+3 = 30 should have been there.
Hence, 31 is the wrong term.
Incorrect
Solution : B
24 27 31 33 36
In the series, each term is increased
by 3 to get the next term. According
to this pattern, after 27, 27+3 = 30 should have been there.
Hence, 31 is the wrong term.
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