CSAT - Prelims 2025
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👆Ans. C | Explanation:👆

Given, A = {a, b, c, d}, and B = {b, d, f, h}

Equal sets have the exact same elements in them, even though they could be out of order. Equivalent sets have different elements but have the same number of elements. Two sets are called disjoint sets if they don't have any element in common.

Now, n(A) = 4 and n (B) = 4

So, sets A and B are equivalent, because both have the same number of elements.

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Marked price of a phone is Rs. 16,000, which is 60% above the cost price of the phone. If it is sold at a discount of 12% on marked price, then find the profit percent.
Anonymous Quiz
5%
(a) 38.6%
17%
(b) 42.7%
28%
(c) 48.6%
49%
(d) 40.8%
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👆Ans. D | Explanation:👆

Given, Marked price = Rs. 16000

So, Cost Price = (16000/160) × 100 = Rs. 10000

If it is sold at 12% discount, then Selling Price = 16000 × (88/100) = Rs. 14080

Profit on cost price = 14080 - 10000 = Rs. 4080

So, Profit percent = (4080/10000) × 100 = 40.8%

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What is the least number which when divided by 6 leaves 4 as remainder; when divided by 8 leaves 6 as remainder and when divided by 10 leaves 8 as remainder?
Anonymous Quiz
8%
(a) 120
67%
(b) 118
18%
(c) 128
6%
(d) 119
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👆Ans. B | Explanation:👆

LCM of 6, 8, 10 = 120

Difference of divisor and remainder = 6 – 4 = 8 – 6 = 10 – 8 = 2

Hence, desired number = 120 – 2 = 118

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A family get-together consisted of grandmother, father, mother, four sons with their wives, one son and two daughters to each of the sons. How many females are there in all?
Anonymous Quiz
64%
(a) 14
18%
(b) 16
13%
(c) 18
6%
(d) 24
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Ans. B | Explanation:

प्रात: 6 बजे से दोपहर 3:15 बजे तक की समयावधि = 9 घंटे 15 मिनट = 555/60 घंटे = 37/4 घंटे

इस घड़ी के 3 मिनट 5 सेकंड = सही घड़ी के 3 मिनट

या इस घड़ी के (37/720) घंटे = सही घड़ी के (1/20) घंटे

तो, इस घड़ी के (37/4) घंटे = सही घड़ी के [(1/20) × (720/37) × (37/4)] घंटे = सही घड़ी के 9 घंटे।

सही समय सुबह 6 बजे के 9 घंटे बाद अर्थात दोपहर 3 बजे होगा।

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👆Remember the Rules of Divisibility for solving CSAT Questions from this Topic.

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👍9
Pointing to a man on the stage, Rita said, "He is the brother of the daughter of the wife of my husband." How is the man on the stage related to Rita?
Anonymous Quiz
70%
(a) Son
18%
(b) Husband
9%
(c) Cousin
4%
(d) Nephew
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👆Remember the Important Formula's for solving CSAT Questions from this Topic.

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In a row of girls. Neha is eighth from the left and Heena is seventeenth from the right. If they interchange their positions. Neha becomes fourteenth from the left. How many girls are there in the row?
Anonymous Quiz
13%
(a) 25
24%
(b) 27
23%
(c) 29
39%
(d) None of the above
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Three persons A, B and C are standing in a queue. There are five persons between A and B and eight persons between B and C. If there be three persons ahead of C and 21 persons behind A, what could be the minimum number of persons in the queue?
Anonymous Quiz
8%
(a) 41
46%
(b) 40
33%
(c) 28
13%
(d) 27
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👆Remember the Important Formula's for solving CSAT Questions from this Topic.

Topic: 3 ✓ Geometric Progression.

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👆Remember the Important Formula's for solving CSAT Questions from this Topic.

Topic: 4 ✓ Harmonica Progression.

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👍7
The difference between 42% of a number and 28% of the same number is 210. What is 59% of that number?
Anonymous Quiz
9%
(a) 630
62%
(b) 885
24%
(c) 420
6%
(d) 900
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👆Remember the Important Formula's for solving CSAT Questions from this Topic.

Topic: 7 ✓ Profit & Loss.

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In a row of girls. Neha is eighth from the left and Heena is seventeenth from the right. If they interchange their positions. Neha becomes fourteenth from the left. How many girls are there in the row?
Anonymous Quiz
11%
(a) 25
23%
(b) 27
19%
(c) 29
47%
(d) None of the above
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The average of 17 numbers is 10.9. If the average of first nine numbers is 10.5 and that of the last nine numbers is 11.4, the middle number is
Anonymous Quiz
28%
(a) 11.8
24%
(b) 11.4
41%
(c) 10.9
7%
(d) 11.7
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In a class, 60% of students are from India and 50% of the students are girls. If 30% of the Indian students are girls, then what percentage of foreign students are boys? (UPSC-2021)
Anonymous Quiz
7%
(a) 45%
25%
(b) 40%
22%
(c) 30%
46%
(d) 20%
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In a test, a candidate attempted only 8 questions and secured 50% marks in each of the questions. If he obtained a total of 40% in the test and all questions in the test carried equal marks, how many questions were there in the test? (UPSC-2015)
Anonymous Quiz
8%
(a) 8
57%
(b) 10
22%
(c) 15
13%
(d) 16
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