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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
While the rush of tourists is good news, this is also an opportune moment to be cautious about the way we expand the sector’s footprint. For example, look at what has happened to Barcelona and Venice. Fed up with constant streams of tourists, both places are now resisting them. In other places, the situation has come to such a pass that Airbnb and the so-called sharing economy have been accused of “hollowing out our [western] cities”. Amsterdam is restricting short-term renting out of properties by residents after protests against the swamping of the city by tourists last year. Problems have beset Shimla, Ladakh and Goa in India where the unregulated tourist rush has led to serious environmental problems. Recently, the Uttarakhand High Court banned trekking after local people said irresponsible trekkers are destroying the meadows in the state.
Which of the following is the most logical, accurate and critical inference that can be drawn from the passage?
Correct
Ans. C. The passage talks about the need for sustainably growing the footfalls on account of tourism to prevent the damages caused by influx of people which is more than the carrying capacity of a place. This is best captured by option C.
Incorrect
Ans. C. The passage talks about the need for sustainably growing the footfalls on account of tourism to prevent the damages caused by influx of people which is more than the carrying capacity of a place. This is best captured by option C.
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Question 2 of 5
2. Question
The age of the father 10 years ago was thrice the age of his son. Ten years from now, father’s age will be twice that of his son. What is the ratio of their present ages?
Correct
Solution: B
Let the ages of father and son 10 years ago be 3x and x years respectively.
Now, it‘s given that ten years from now, father’s age will be twice that of his son.
Thus, (3x + 10) + 10 = 2[(x + 10) + 10]
or 3x + 20 = 2x + 40
or x = 20.
Therefore, required ratio = (3x + 10) : (x + 10) = 70 : 30 = 7 : 3.Incorrect
Solution: B
Let the ages of father and son 10 years ago be 3x and x years respectively.
Now, it‘s given that ten years from now, father’s age will be twice that of his son.
Thus, (3x + 10) + 10 = 2[(x + 10) + 10]
or 3x + 20 = 2x + 40
or x = 20.
Therefore, required ratio = (3x + 10) : (x + 10) = 70 : 30 = 7 : 3. -
Question 3 of 5
3. Question
The least number, which when divided by 2, 3, 4, 5 and 6, leaves in each case, a remainder 1, but when divided by 7 leaves no remainder. The number is
Correct
Solution: D
LCM (2, 3, 4, 5, 6) = 60
Therefore, required number is of the form 60 k + 1.Least value of k for which 60k + 1 is divisible by 7 is k=5
Therefore, required number = 60 × 5 + 1= 301.Hence, option (d) is correct.
Incorrect
Solution: D
LCM (2, 3, 4, 5, 6) = 60
Therefore, required number is of the form 60 k + 1.Least value of k for which 60k + 1 is divisible by 7 is k=5
Therefore, required number = 60 × 5 + 1= 301.Hence, option (d) is correct.
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Question 4 of 5
4. Question
If the length and breadth of a rectangle decrease by 10% each, then by what percent does the area decrease?
Correct
Solution: C
Let the length and breadth of the rectangle be x and y units respectively
Original area= xy units^2
New area= (0.9x) × (0.9y) =0.81xy units^2
∴ Percentage decrease in area= (0 .81xy- xy/xy) × 100= -19% (Negative sign indicates decrease in area)Hence, option(c) is correct.
Incorrect
Solution: C
Let the length and breadth of the rectangle be x and y units respectively
Original area= xy units^2
New area= (0.9x) × (0.9y) =0.81xy units^2
∴ Percentage decrease in area= (0 .81xy- xy/xy) × 100= -19% (Negative sign indicates decrease in area)Hence, option(c) is correct.
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Question 5 of 5
5. Question
Ajay decides to sell milk at cost price. In what ratio should he mix water and milk so that he can earn 20% profit?
Correct
Solution: C
Let cost price of pure milk = Rs 1 per litre.
Now he adds some water in this milk.
Then selling price of mixture of milk and water is also = Rs 1 per litre
Suppose he had only 1 litre milk costing Rs 1.
To earn profit of 20 % he has to earn Rs 1.2
As mixture also costs Rs 1 per litre means to earn Rs 1.2 he has sold total 1.2 litre of mixture .
That means he added 0.2 litre of milk in 1 litre.
Thus, ratio is 0.2: 1 = 1:5 .Hence, option (c) is correct.
Revenue receipts can be defined as those receipts which neither create any liability nor cause any reduction in the assets of the government. They are regular and recurring in nature and the government receives them in the normal course of activities.
Revenue receipts include the proceeds from taxes and other duties levied by the Centre; the interest and dividend it receives on its investments; and the fees and charges the government receives for its services.
Simply put, revenue receipts must satisfy two basic conditions:
- No liability:Revenue receipts do not create any liability for the government. For example, taxes received by the government, unlike borrowings, do not create any liabilities for it.
- No asset reduction: Revenue receipts do not lead to any reduction in the government’s assets. So, the government cannot show its earnings from sale of stake in a public-sector undertaking as revenue receipts because the stake sale resulted in reduction of its assets.
Incorrect
Solution: C
Let cost price of pure milk = Rs 1 per litre.
Now he adds some water in this milk.
Then selling price of mixture of milk and water is also = Rs 1 per litre
Suppose he had only 1 litre milk costing Rs 1.
To earn profit of 20 % he has to earn Rs 1.2
As mixture also costs Rs 1 per litre means to earn Rs 1.2 he has sold total 1.2 litre of mixture .
That means he added 0.2 litre of milk in 1 litre.
Thus, ratio is 0.2: 1 = 1:5 .Hence, option (c) is correct.
