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 frog tries to come out of a dried well 4.5 m deep with slippery walls. Every time the frog jumps 30 cm, slides down 15 cm. What is the number of jumps required for the frog to come out of the well?
Correct
Answer : b
Depth of well = 4.5 m = 450 cm
ln every step frog covers = 15 cm.
Height of jump till 28 times = 28 x 15 = 420 cm
On 29 jump, frog will jump = 420+ 30
= 450 cm = 4.5 m
Hence, on 29 jump frog will cover 4.5 m height and come out of the well. Hence, option (b) is
correct here.
Incorrect
Answer : b
Depth of well = 4.5 m = 450 cm
ln every step frog covers = 15 cm.
Height of jump till 28 times = 28 x 15 = 420 cm
On 29 jump, frog will jump = 420+ 30
= 450 cm = 4.5 m
Hence, on 29 jump frog will cover 4.5 m height and come out of the well. Hence, option (b) is
correct here.
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Question 2 of 5
2. Question
In a class, there are three groups A, B and C. If one student from group A and two students from group B are shifted to group C, then what happens to the average weight of the students of the class?
Correct
Answer : c
When one student from group A and two students from group B are shifted to group C, even then
the number of students in class will not change only number of students in group A, B and C will
change. This concludes that the average weight of the students of the class will remain same.
Incorrect
Answer : c
When one student from group A and two students from group B are shifted to group C, even then
the number of students in class will not change only number of students in group A, B and C will
change. This concludes that the average weight of the students of the class will remain same.
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Question 3 of 5
3. Question
A is 16th from the left end in a row of boys and V is 18h from the right end. G is 11h from A towards the right and 3 from V towards the right end. How many boys are there in the row?
Correct
Answer : b
From the given information,
Hence, total number of boys = 16 + 7 + 18
= 41
Incorrect
Answer : b
From the given information,
Hence, total number of boys = 16 + 7 + 18
= 41
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Question 4 of 5
4. Question
One page is torn from a booklet whose pages are numbered in the usual manner starting from the first page as 1. The sum of the numbers on the remaining pages is 195. The torn page contains which of the following numbers?
Correct
Answer : b
Let there are 20 pages in the booklet, hence sum of numbers of the pages
= [20(20+1) / 2] = 210
If there are 19 pages in the booklet, then sum of numbers of the pages
= [19(19+1)]/ 2 = 190
But as per question, the sum of numbers of the remaining pages is 195, so the number of pages
in the booklet definitely be 20.
Now, the sum of torn page numbers
= 210 – 195 = 15
Hence, the page which has been torned should be numbered 7, 8.
Incorrect
Answer : b
Let there are 20 pages in the booklet, hence sum of numbers of the pages
= [20(20+1) / 2] = 210
If there are 19 pages in the booklet, then sum of numbers of the pages
= [19(19+1)]/ 2 = 190
But as per question, the sum of numbers of the remaining pages is 195, so the number of pages
in the booklet definitely be 20.
Now, the sum of torn page numbers
= 210 – 195 = 15
Hence, the page which has been torned should be numbered 7, 8.
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Question 5 of 5
5. Question
In a school, 60% students play cricket. A student who do not play cricket, plays football. Every football player has got a two-wheeler. Which of the following conclusions cannot be drawn from the above data’?
- 60% of the students do not have two-wheelers.
- No cricketer has a two-wheeler.
- Cricket players do not play football.
Select the correct answer using the codes given below.
Correct
Answer : d
Conclusion 1: It is clearly mentioned in the statement that all the football players have two-wheeler, it doesn’t conclude that 60% of the students do not have two-wheelers. Hence, conclusion 2 is false.
Conclusion 2: It is mentioned in the statement that every football player has a two-wheeler. However, it is not mentioned that no cricketer player has two-wheeler. Hence, conclusion 2 1s false.
Conclusion 3: It is mentioned in the passage that a student who doesn’t play cricket plays football. But it is not mentioned that a cricket player doesn’t play football. Hence, conclusion 5 is also false.
So, none of the conclusions can be drawn from the above data.
Incorrect
Answer : d
Conclusion 1: It is clearly mentioned in the statement that all the football players have two-wheeler, it doesn’t conclude that 60% of the students do not have two-wheelers. Hence, conclusion 2 is false.
Conclusion 2: It is mentioned in the statement that every football player has a two-wheeler. However, it is not mentioned that no cricketer player has two-wheeler. Hence, conclusion 2 1s false.
Conclusion 3: It is mentioned in the passage that a student who doesn’t play cricket plays football. But it is not mentioned that a cricket player doesn’t play football. Hence, conclusion 5 is also false.
So, none of the conclusions can be drawn from the above data.
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