CSAT 2021 Practice Questions - ForumIAS

# CSAT 2021 Practice Questions

Will be posting some csat questions for practice here on a daily basis!   Neyawn,Integerand12 otherslike this
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BGPsaid

29. During a particular period, water enters a partially filled reservoir at a constant rate through a mountain stream. At the same time, water is pumped out of the reservoir at a constant rate through an outlet pipe. At what rate, in gallons per minute, is the amount of water in the reservoir increasing?

(1) The amount of water initially in the reservoir is 1800 gallons.

(2) Water is pumped into the reservoir at a rate of 8 gallons per minute and out of the reservoir at a rate of 20 gallons every 3 minutes.

A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D) EACH statement ALONE is sufficient.

B

Correct.

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32. In most countries, lower taxes stimulate economic growth, which is an increase of the capacity of an economy to produce goods and services. In the nation of Tattua, economic growth is significantly higher than it is in the nation of Hothal. Clearly, therefore, Tattua's industries must, on the whole, be further advanced technologically than Hothal's are.

The argument is most vulnerable to which of the following criticisms?

a. It offers a conclusion that is no more than a paraphrase of one of the pieces of information provided in its support.

b. It presents as evidence in support of a claim information that is inconsistent with other evidence presented in support of the same claim.

c. It takes one possible cause of a condition to be the actual cause of that condition without considering any other possible causes.

d. It takes a condition to be the effect of something that happened only after the condition already existed.

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33. Sixty-four percent of the members of a study group are aged 30 or older, and 12.5 percent of those individuals aged 30 or older are teachers. If one member of the study group is to be selected at random, what is the probability that the member selected is a teacher aged 30 or older?

a. 0.080

b. 0.100

c. 0.125

d. 0.150

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33. Sixty-four percent of the members of a study group are aged 30 or older, and 12.5 percent of those individuals aged 30 or older are teachers. If one member of the study group is to be selected at random, what is the probability that the member selected is a teacher aged 30 or older?

a. 0.080

b. 0.100

c. 0.125

d. 0.150

a.) 0.080%

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BGPsaid

33. Sixty-four percent of the members of a study group are aged 30 or older, and 12.5 percent of those individuals aged 30 or older are teachers. If one member of the study group is to be selected at random, what is the probability that the member selected is a teacher aged 30 or older?

a. 0.080

b. 0.100

c. 0.125

d. 0.150

a.) 0.080%

Right.

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34. The value of an investment decreased from \$1,800 to \$1,610. Approximately what was the percent decrease in value?

a. 4%

b. 11%

c. 15%

d. 25%

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34. The value of an investment decreased from \$1,800 to \$1,610. Approximately what was the percent decrease in value?

a. 4%

b. 11%

c. 15%

d. 25%

b. 11%

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35. 2 Numbers are in the ratio 2:3. If 9 is added to each number, they will be in the ratio 3:4. What is the product of 2 numbers?

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36. If x:y = 7:5, then what is the value of (5x-2y):(3x+2y)?

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37. The ratio is incomes of Ramesh & Suresh is 5:8, and expenditure is in the ratio of 11:10. If Ramesh and Suresh save ₹7900 & ₹21000 respectively, then their respective incomes are?

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38. (a - b)/(a + b) = 1/5. Then (a^2 - b^2)/(a^2 + b^2)= ?

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39. An alloy contains Zn & Cu in ratio 5:8, and another alloy contains Zn & Cu in 5:3. If equal amounts of both alloys are melted together, then the ratio of Zn & Cu in resulting alloy is ?

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40. A quantity of 114 litre is to be divided into 4 measures, so that the I : II is 3:5, II : III = 7:9, III : IV = 15:17. What is the difference between I & III measures?

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41. Price of wire is directly proportional to square of its length. Price of 10 metre is ₹1600. What is the total price of 2 wires of length 4m and 6m?

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35. 2 Numbers are in the ratio 2:3. If 9 is added to each number, they will be in the ratio 3:4. What is the product of 2 numbers?

486

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36. If x:y = 7:5, then what is the value of (5x-2y):(3x+2y)?

25:31

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37. The ratio is incomes of Ramesh & Suresh is 5:8, and expenditure is in the ratio of 11:10. If Ramesh and Suresh save ₹7900 & ₹21000 respectively, then their respective incomes are?

Ramesh: 20,000

Suresh: 32,000

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38. (a - b)/(a + b) = 1/5. Then (a^2 - b^2)/(a^2 + b^2)= ?

5/13

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39. An alloy contains Zn & Cu in ratio 5:8, and another alloy contains Zn & Cu in 5:3. If equal amounts of both alloys are melted together, then the ratio of Zn & Cu in resulting alloy is ?

105:103

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40. A quantity of 114 litre is to be divided into 4 measures, so that the I : II is 3:5, II : III = 7:9, III : IV = 15:17. What is the difference between I & III measures?

18 litres

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