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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
The salary of Amit is 30% more than that of Varun. Find by what percentage is the salary of Varun less than that of Amit?
Correct
Ans-b
100 → 130 → 100 (A→B→A use of PCG)
∴Answer = 30/130 = 23.07%
Incorrect
Ans-b
100 → 130 → 100 (A→B→A use of PCG)
∴Answer = 30/130 = 23.07%
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Question 2 of 5
2. Question
The price of rice falls by 20%. How much rice can be bought now with the money that was sufficient to buy 20 kg of rice previously?
Correct
Ans-d
If the price of rice has fallen by 20% the quantity would be increased by 25% (if we keep the expenditure constant.)
This means that 20 kgs would increase by 25% to 25kgs.
Incorrect
Ans-d
If the price of rice has fallen by 20% the quantity would be increased by 25% (if we keep the expenditure constant.)
This means that 20 kgs would increase by 25% to 25kgs.
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Question 3 of 5
3. Question
In the month of July of a certain year, the average daily expenditure of an organisation was Rs. 68. For the first 15 days of the month, the average daily expenditure was85 and for the last 17 days, Rs. 51. Find the amount spent by the organisation on the 15th of the month.
Correct
Ans-c
Standard question requiring good calculation speed. Obviously, the 15th day is being double counted.
Calculations can be reduced by thinking as: Surplus in first 15 days Deficit in last 17 days = 255-289 → Net deficit of 34. This means that the average is reducing by 34 due to the double counting of the 15th day. This can only mean that the 15th day’s expenditure is Rs. 68 -34= 34.
Incorrect
Ans-c
Standard question requiring good calculation speed. Obviously, the 15th day is being double counted.
Calculations can be reduced by thinking as: Surplus in first 15 days Deficit in last 17 days = 255-289 → Net deficit of 34. This means that the average is reducing by 34 due to the double counting of the 15th day. This can only mean that the 15th day’s expenditure is Rs. 68 -34= 34.
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Question 4 of 5
4. Question
If 65% of x13% of y, then find the value of x if y = 2000.
Correct
Ans-c
65% of x = 13% of 2000 → 0.65 x= 260→x = 400
Incorrect
Ans-c
65% of x = 13% of 2000 → 0.65 x= 260→x = 400
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Question 5 of 5
5. Question
The population of a village is 1,00,000, Increase rate per annum is 10%. Find the population at the starting of the fourth year.
Correct
Ans- a
100000 → 110000 (after 1 year) → 121000 (after 2 years) → 133100 (after 3 years and at the start of the fourth year).
Incorrect
Ans- a
100000 → 110000 (after 1 year) → 121000 (after 2 years) → 133100 (after 3 years and at the start of the fourth year).
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