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).
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Question 1 of 5
1. Question
The average price of 3 precious diamond studded platinum thrones is 7 97610498312. If their prices are in the ratio 4:7:9. The price of the cheapest is
Correct
The total price of the three stones would be 97610498312 × 3 = 292831494936. Since, this price is divided into the three stones in the ratio of 4: 7:
9, the price of the cheapest one would be = (4 x2928314936/20) = 58566298987.2
Option b is correct
Incorrect
The total price of the three stones would be 97610498312 × 3 = 292831494936. Since, this price is divided into the three stones in the ratio of 4: 7:
9, the price of the cheapest one would be = (4 x2928314936/20) = 58566298987.2
Option b is correct
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Question 2 of 5
2. Question
The average weight of 23boxes is 3kg. If the weight of the container (in which the boxes are kept) is included, the calculated average weight per box increases by 1 kg. What is the weight of the container?
Correct
The average weight per box is asked. Hence, the container does not have to be counted as the 24th item. Also, since the average for 23 boxes goes up by 1 kg, the total weight must have gone up by 23 kgs. That weight is the actual weight of the container.
Hence option d is correct
Incorrect
The average weight per box is asked. Hence, the container does not have to be counted as the 24th item. Also, since the average for 23 boxes goes up by 1 kg, the total weight must have gone up by 23 kgs. That weight is the actual weight of the container.
Hence option d is correct
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Question 3 of 5
3. Question
3 years ago, one-fifth of Amit’s age was equal to one-fourth of the age of Sumit, and the average of their age was 31.5 years. If the age of Punit is also considered, the average age of three of them declines to 28 years. What will be the average age of Amit and Punit 3 years from now?
Correct
Three years ago:-
A/5=S/4 → A =1.255.
Also A + S= 63. S = 28 and A = 35.
Also, given A + S + P= 84, we get P = 21.
So, 3 years from now, A = 35+6= 41 and P = 21+6= 27.
Their average age = 34. Option (b) is correct.
Incorrect
Three years ago:-
A/5=S/4 → A =1.255.
Also A + S= 63. S = 28 and A = 35.
Also, given A + S + P= 84, we get P = 21.
So, 3 years from now, A = 35+6= 41 and P = 21+6= 27.
Their average age = 34. Option (b) is correct.
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Question 4 of 5
4. Question
Two farmers were cultivating wheat on their respective agricultural land in a village. Farmer A had an average production of 30 bushels from a hectare. Farmer B, who had 25 hectares of more land dedicated to wheat cultivation, had an output of 40 bushels of wheat from a hectare. If farmer B harvested 1120 bushels of wheat more than farmer A, how many bushels of wheat did farmer A cultivate?
Correct
Let the number of hectares of land be A and A + 25 for the two farmers. Then, the equation that gets formed based on the situation is:
30 x A + 1120 = 40 × (A + 25) → A = 12. Hence, the number of bushels of wheat cultivated by farmer
A = 360
Option c is correct
Incorrect
Let the number of hectares of land be A and A + 25 for the two farmers. Then, the equation that gets formed based on the situation is:
30 x A + 1120 = 40 × (A + 25) → A = 12. Hence, the number of bushels of wheat cultivated by farmer
A = 360
Option c is correct
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Question 5 of 5
5. Question
The average salary of the entire staff in an department is 22000 per month. The average salary of officers is 3000 and that of non-officers is 1500. If the number of officers is 10, then find the number of non-officers in the office?
Correct
Use allegation method to solve to solve to find number of non officers.
Officers to non officers ration will be 1:2
Hence Non officers will be 20
Option A is correct
Incorrect
Use allegation method to solve to solve to find number of non officers.
Officers to non officers ration will be 1:2
Hence Non officers will be 20
Option A is correct
