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
Wheat is now being sold at Rs. 27 per kg. During last month, its cost was Rs.24 per kg. Find by how much per cent a family reduces its consumption, so as to keep the expenditure fixed.
Correct
Answer: d
Old price of rice = Rs 24/kg
New price of rice = Rs 27 per/kg
∴Increases in price of rice =New price
Old price =27 -24 = Rs 3/kg
∴Increased percentage in price
=3/24 * 100 = 12 1/2%
Now, reduction in consumption, so as to keep the expenditure fixed.
According to the formula,
(a/(100+a) * 100) %
(125/(100+125) * 100) % = 11.1%
Incorrect
Answer: d
Old price of rice = Rs 24/kg
New price of rice = Rs 27 per/kg
∴Increases in price of rice =New price
Old price =27 -24 = Rs 3/kg
∴Increased percentage in price
=3/24 * 100 = 12 1/2%
Now, reduction in consumption, so as to keep the expenditure fixed.
According to the formula,
(a/(100+a) * 100) %
(125/(100+125) * 100) % = 11.1%
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Question 2 of 5
2. Question
In a class of 40 students and 5 teachers, each student got sweet that are 15% of the total number of students. And each teacher got sweets that are 20% of the total number of students. How many sweets were there?
Correct
Answer:a
Number of sweets received by every student = 15% of 40 = (40*15)/100 = 6
∴ Number of sweets received by 40 students = 40 *6 = 240
Number of sweets received by each teacher = 20% of 40 = (40*20)/100 = 8
∴Number of sweets received by 5 teachers = 8*5=40
∴Total number of sweets = 240 + 40 = 280
Incorrect
Answer:a
Number of sweets received by every student = 15% of 40 = (40*15)/100 = 6
∴ Number of sweets received by 40 students = 40 *6 = 240
Number of sweets received by each teacher = 20% of 40 = (40*20)/100 = 8
∴Number of sweets received by 5 teachers = 8*5=40
∴Total number of sweets = 240 + 40 = 280
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Question 3 of 5
3. Question
The price of gee is increased by 32%. Therefore, a family reduces its consumption, so that the increment in price of gee is only 10%. If consumption of gee is 10 kg before the increment, then what is the consumption now?
Correct
Answer:a
Let price of ghee before increment = Rs. X
Consumption = 10 kg
Then, expenditure on ghee = Rs. 10x
After increment,
Expenditure on ghee = 110% 10x = 11x
Price of ghee = 132% of x = x * 132/100
= 33x/25 peer kg
\New consumption = (11*25)/33x kg
= 8 1/3kg
Incorrect
Answer:a
Let price of ghee before increment = Rs. X
Consumption = 10 kg
Then, expenditure on ghee = Rs. 10x
After increment,
Expenditure on ghee = 110% 10x = 11x
Price of ghee = 132% of x = x * 132/100
= 33x/25 peer kg
\New consumption = (11*25)/33x kg
= 8 1/3kg
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Question 4 of 5
4. Question
The expenses on wheat, meat and vegetable of a family are in the ratio 12: 17: 3. The prices of these articles are increased by 20%, 30% and 50%, respectively. The total expenses of the family on these articles are increased by
Correct
Answer:b
Incorrect
Answer:b
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Question 5 of 5
5. Question
- In 1998, ratio of the number of students taking examination in x and z states are respectively 3 : 5 : 6. Next year, the number of students are increased by 20%, 10% and 20% respectively. If ratio of the numbers of students in states x and z is 1 : 2, then find the number of students who sit to take examination in 1998.
Correct
Answer : d In 1998
Incorrect
Answer : d In 1998
