CSAT - Prelims 2025
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Answer: d | Explanation:

Option (a) is not correct.
As per the passage, “A multidimensional measure of poverty can incorporate a range of indicators that capture the complexity of this phenomena in order to inform policies aimed at reducing poverty and deprivation in a country. Depending on the context of a country and the purpose of the measure, different indicators can be chosen to reflect the needs and priorities of a nation, as well as its constituent regions, districts, provinces, etc.” But it does not mention that multidimensional poverty index will definitely solve the problem of definition of poverty in the world.

Option (b) is not correct. According to the passage, “Multidimensional poverty encompasses the various deprivations experienced by poor people in their daily lives – such as poor health, lack of education, inadequate living standards, disempowerment, poor quality of work, the threat of violence, and living in areas that are environmentally hazardous, among others.” It nowhere mentions that it is impossible to quantify every indicator of a multidimensional poverty index. Hence it is not correct.

Option (c) is not correct. The passage nowhere mentions about NITI Aayog and UNDP. Hence, it is not correct.

Option (d) is correct. According to the passage, “A multidimensional measure of poverty can incorporate a range of indicators that capture the complexity of this phenomena in order to inform policies aimed at reducing poverty and deprivation in a country. Depending on the context of a country and the purpose of the measure, different indicators can be chosen to reflect the needs and priorities of a nation, as well as its constituent regions, districts, provinces, etc.” Definitely the Multidimensional Poverty index is a comprehensive index, but we may need to customize it as per needs and priorities of a nation, state or a district. Hence, this statement captures the message of the passage.

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Ques. A number is multiplied by one-sixth, then divided by one-seventh, and then multiplied by seven-tenth. Result is what percent of the original number?
Anonymous Quiz
23%
(a) 49/6%
24%
(b) 50/3%
45%
(c) 245/3%
8%
(d) 5/3%
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Explanation:

The best way to do this is to start with 100 and calculate the result.

The final number will be as follows:

[(100 × 1/6) ÷ 1/7] × 7/10

= (100/1) × (1/6) × (7/1) × (7/10)

= 245 /3 = 245/3%

So, the final number will be 245/3% of the original number.

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Question: M is 35% of N; L is 25% of N. What percent of M is L?
Anonymous Quiz
9%
(a) 40.5%
55%
(b) 500/7%
21%
(c) 140%
14%
(d) Data insufficient.
Explanation:

M is 35% of N, and L is 25% of N

So, M = 0.35N, and L = 0.25N.

To find out what percent L is of M, we need to evaluate:

(L/M) × 100% = (0.25N/0.35N) ×100% = (25/35) × 100% = 500/7%

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Question: If A's salary is 25% higher than B's salary, then how much per cent is B's salary lower than A's ?
Anonymous Quiz
6%
(a) 16.33%
54%
(b) 20%
28%
(c) 25%
12%
(d) 33.33%
3
Explanation:

Let B’s salary be Rs. 100.

Then A’s salary = Rs. 125

Required percentage = [(125 – 100)/125] × 100 = (25 /125) × 100 = 20%

Thus, B's salary is lower than A's salary by 20%.

Hence, option (b) is correct.

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Question: The difference between the simple interest and the compound interest compounded annually at a rate of 12% per annum on Rs. 5000 for two years will be
Anonymous Quiz
6%
(a) Rs. 47.50
27%
(b) Rs. 63
14%
(c) Rs. 45
53%
(d) Rs. 72
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Explanation:

Principal (P) = Rs. 5000, Rate (r) = 12% per annum, Time (n) = 2 years

Compound Interest (C.I.) = [P {1 + (r/100)}n – P]

Simple Interest (S.I.) = (P × r × n)/100

Required difference = [P {1 + (r/100)}n – P] - (P × r × n)/100

= [5000 {1 + (12/100)}2 – 5000] – (5000 × 12 × 2)/100

= 5000 [(28/25) × (28/25) – 1] - 1200

= 5000 [(784 – 625)/625] - 1200 = 1272 – 1200 = Rs. 72

Thus, difference between simple interest and the compound interest for 2 years will be Rs. 72.

Hence, option (d) is correct.

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Question: In a class, 40% of the boys is same as half of the girls, and there are 20 girls in total. Total number of students in the class is:
Anonymous Quiz
9%
(a) 70
61%
(b) 45
19%
(c) 35
11%
(d) 25
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Explanation:

40% of the boys is same as half of the girls, and there are 20 girls.

So, 40% of boys = 20/2 = 10

Therefore, 100% of boys = (10/40%) × 100% = 25

Therefore, total number of boys = 25

Thus, total number of students = 25 + 20 = 45

Hence, option (b) is correct.

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Ques. Sonali leaves Delhi at 4 pm by a train and reaches Pune at 10 pm. Priyanka leaves Pune at 6 pm by a train and reaches Delhi at 11 pm on the same day. What is the time when they crossed each other?
Anonymous Quiz
45%
(a) 7:49 pm
25%
(b) 7:20 pm
17%
(c) 6:50 pm
13%
(d) 8:20 pm
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Ans. (a) | Explanation:

Let distance between Delhi and Pune be A km.

Time taken by Sonali to reach Pune = 10 – 4 = 6 hours

Time taken by Priyanka to reach Delhi = 11 – 6 = 5 hours

Speed of train which leaves Delhi = A/6 km/hr

And Speed of train which leaves Pune = A/5 km/hr

Relative speed = A/6 + A/5 = 11A/30 km/hr

Distance covered by train which leaves Delhi in 2 hours = 2 × A/6 = A/3 km

Distance left to be covered = A – A/3 = 2A/3 km

Time taken by both the trains to cross each other = Distance left to be covered/ Relative speed = (2A/3)/(11A/30) = 20/11 hours = 1 hour 49 minutes

Required time = 6 pm + 1 hour 49 minutes = 7: 49 pm

Hence, option (a) is the correct answer.

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Ques. A company X sold apple juice at cost price by mixing water in it and gained a profit of 25%. What must be the ratio of juice and water in the mixture?
Anonymous Quiz
10%
(a) 1:5
16%
(b) 3:2
66%
(c) 4:1
8%
(d) 2:3
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Ans. (c) | Explanation:

We know that, if we mix any liquid with water and sell it at cost price to gain a profit of x%, then the ratio of liquid and water is (100:x).

Here, x = 25%

Required ratio = 100:25 = 4:1

Hence, option (c) is the correct answer.

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Ques. A museum has an average of 640 visitors on each Saturdays and Sundays, while 310 visitors on other days. The average number of visitors per day in a month of 30 days beginning with a Saturday is-
Anonymous Quiz
8%
(a) 560
12%
(b) 240
18%
(c) 620
62%
(d) 420
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Ans. (d) | Explanation:

In a month of 30 days beginning with Saturday, we will have 5 Saturdays, 5 Sundays and 20 Other days.

Visitors on 5 Saturdays = 640 × 5 = 3200

Visitors on 5 Sundays = 640 × 5 = 3200

Visitors on Other days = 310 × 20 = 6200

So, Total number of visitors in 30 days = 3200 + 3200 + 6200 = 12600

Average number of visitors per day = 12600/30 = 420

Hence, option (d) is the correct answer.

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Ques. Average number of vaccinations done in Lucknow is approximately what percentage of the average number of vaccinations done in Jhansi?
Anonymous Quiz
10%
(a) 523%
22%
(b) 314%
30%
(c) 121%
38%
(d) 157%
Ans. (d) | Explanation:

Number of Vaccinations done in Lucknow in all the three months = 85 + 45 + 90 = 220

Average number of Vaccinations done in Lucknow = 220/3

Number of Vaccinations done in Jhansi in all the three months = 30 + 50 + 60 = 140

Average number of vaccinations done in Jhansi = 140/3

Required Percentage = {(220/3)/(140/3)} × 100

= (220/140) × 100

= 157.14% (approx.)

Hence, option (d) is the correct answer.

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Ques. Rohan works in a sanitizer factory. In a 176 ltr mixture of glycer and alcohol, there’s 80% alcohol. How much alcohol should be evaporated from the mixture to reduce its percentage to 60%?
Anonymous Quiz
6%
(a) 78 ltr
60%
(b) 88 ltr
18%
(c) 72 ltr
16%
(d) 76 ltr
Ans. (d) | Explanation:

Ratio of glycer and alcohol in the mixture = 20 : 80 = 1 : 4

So, Quantity of glycer in the solution = 176 × 1/(1 + 4) = 35.2 ltr

So, quantity of alcohol in the solution = 176 – 35.2 = 140.8 ltr

In the final mixture, alcohol is 60% and glycol is 40%.

40% corresponds to 35.2 litres.

60% corresponds to 35.2 × (60%/40%) = 52.8 litres.

So, Quantity of alcohol that should be evaporated = 140.8 litr – 52.8 ltr = 88 ltr

Hence, option (b) is the correct answer.

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