CSAT - Prelims 2025
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👆Ans. A | Explanation:

Expected police-to-population ratio of West Bengal = 1187

Expected police-to-population ratio of Bihar = 1133

Expected police-to-population ratio of Andhra Pradesh = 642

Existing police-to-population ratio of Uttar Pradesh = 1173

Existing police-to-population ratio of Andhra Pradesh = 953

Existing police-to-population ratio of Maharashtra = 829

Required ratio = [(1187 + 1133 + 642)/ (1173 + 953 + 829)] = 2962/2955 = 2962 : 2955

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If the word CAT is coded as 6; PROUD as 2 and KNIFE as 9, then what is the code for COMPUTER?
Anonymous Quiz
9%
(a) 5
67%
(b) 3
17%
(c) 9
6%
(d) 2
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👆Ans. B | Explanation:

Take the corresponding position of the given letters in English alphabet series, and add them till you get a single digit:

CAT = 3 + 1 + 20 = 24 = 2 + 4 = 6

PROUD = 16 + 18 + 15 + 21 + 4 = 74 = 7 + 4 = 11 = 1 + 1 = 2

Similarly, for COMPUTER = 3 + 15 + 13 + 16 + 21 + 20 + 5 + 18 = 111 = 1 + 1 + 1 = 3

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Ram’s salary is more than Shyam’s salary, but less than Mayank’s salary. On the other hand, Vijay’s salary is more than that of Ganesh. Mayank’s salary, however, is less than the salary of Ganesh. Whose salary is the lowest?
Anonymous Quiz
6%
(a) Vijay
19%
(b) Mayank
69%
(c) Shyam
6%
(d) Ram
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👆Ans. C | Explanation:

As per the question, Ram’s salary is more than Shyam’s salary, but less than Mayank’s salary:

Mayank > Ram > Shyam

Vijay’s salary is more than that of Ganesh:

Vijay > Ganesh

However, Mayank’s salary is less than that of Ganesh, therefore overall order is:

Vijay > Ganesh > Mayank > Ram > Shyam

Therefore, Shyam’s salary is the lowest.

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Rita is at Yamuna Bank metro station. If she has to meet her friend at Najafgarh metro station, and return to her home at Dilshad Garden, what will be the minimum possible time taken to complete this trip?
Anonymous Quiz
8%
(a) 55 minutes
63%
(b) 87.5 minutes
20%
(c) 100 minutes
9%
(d) 102.5 minutes
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👆Ans. B | Explanation:

There are two possible routes between Yamuna bank and Najafgarh - one via Kirtinagar and the other via Huda City Centre.

Yamuna bank to Najafgarh via Huda city centre = (5 + 11 + 10 + 5 + 8) × 1.5 + 5 + 5 = 58.5 + 10 = 68.5 minutes.

Here in this route there are two points at which metro line is changed, so 5 minutes is added 2 times.

Yamuna Bank to Najafgarh via Kirtinagar = (5 + 7 + 13) × 1.5 = 37.5 minutes.

As less time is taken via this route, she will adopt this route to Najafgarh.

Now, time taken to reach Dilshad Garden from Najafgarh = (13 + 7 + 10) × 1.5 + 5 = 50 minutes

Hence, Minimum possible time to complete this entire trip = 37.5 + 50 = 87.5 minutes

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Mr. Suresh owns a 5 metre × 4 metre coffee shop. He plans to tile the rectangular floor of this shop with grey-coloured square tiles. Each side of the tile measures 20 cm. What must be the total cost of fitting the tiles, if they cost Rs. 40 per piece?
Anonymous Quiz
6%
(a) Rs. 12,000
24%
(b) Rs. 16,000
16%
(c) Rs. 24,000
54%
(d) Rs. 20,000
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👆Ans. D | Explanation:

Area of coffee shop = 5 metre × 4 metre = 20 square metres

Area of one tile = 0.2 metres × 0.2 metre = 0.04 square metres

Number of tiles required = Area of rectangular region / Area of one square tile = 20 square metres / 0.04 square metres = 500

Therefore, total cost of fitting the tiles = number of tiles × cost of fitting 1 tile = 500 × 40 = Rs. 20,000

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You go in the South direction, then turn turn left, then again take a left and then go to the right. Which direction are you facing now?
Anonymous Quiz
50%
(a) East
21%
(b) North
19%
(c) West
10%
(d) South
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The list given below is quite helpful in recognising some indirect relationships:

Person & Relation

1. Father's or mother's son - Brother
2. Father's or mother's daughter - Sister
3. Father's or mother's brother - Uncle
4. Father's or mother's sister - Aunt
5. Father's or mother's mother - Grandmother
6. Father's or mother's father - Grandfather
7. Son's wife - Daughter-in-law
8. Husband's or wife's sister - Sister-in-law
9. Brother's or sister's Son - Nephew
10. Brother's or sister's daughter - Niece
11. Aunt's or Uncle's son - Cousin
12. Aunt's or Uncle's daughter - Cousin
13. Grandfather's or Grandmother's son - Father or Uncle
14. Grandfather's or Grandmother's daughter - Mother
15. Sister's husband - Brother-in-law
16. Brother's wife - Sister-in-law
17. Uncle's wife - Aunt
18. Only daughter-in-law of Grandfather (Paternal) - Mother

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Ram’s salary is more than Shyam’s salary, but less than Mayank’s salary. On the other hand, Vijay’s salary is more than that of Ganesh. Mayank’s salary, however, is less than the salary of Ganesh. Whose salary is the lowest?
Anonymous Quiz
5%
(a) Vijay
16%
(b) Mayank
74%
(c) Shyam
5%
(d) Ram
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👆Ans. C | Explanation:

As per the question, Ram’s salary is more than Shyam’s salary, but less than Mayank’s salary:

Mayank > Ram > Shyam

Vijay’s salary is more than that of Ganesh:

Vijay > Ganesh

However, Mayank’s salary is less than that of Ganesh, therefore overall order is:

Vijay > Ganesh > Mayank > Ram > Shyam

Therefore, Shyam’s salary is the lowest.

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👍2
Rita is at Yamuna Bank metro station. If she has to meet her friend at Najafgarh metro station, and return to her home at Dilshad Garden, what will be the minimum possible time taken to complete this trip?
Anonymous Quiz
5%
(a) 55 minutes
67%
(b) 87.5 minutes
21%
(c) 100 minutes
7%
(d) 102.5 minutes
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👆Ans. B | Explanation:

There are two possible routes between Yamuna bank and Najafgarh - one via Kirtinagar and the other via Huda City Centre.

Yamuna bank to Najafgarh via Huda city centre = (5 + 11 + 10 + 5 + 8) × 1.5 + 5 + 5 = 58.5 + 10 = 68.5 minutes.

Here in this route there are two points at which metro line is changed, so 5 minutes is added 2 times.

Yamuna Bank to Najafgarh via Kirtinagar = (5 + 7 + 13) × 1.5 = 37.5 minutes.

As less time is taken via this route, she will adopt this route to Najafgarh.

Now, time taken to reach Dilshad Garden from Najafgarh = (13 + 7 + 10) × 1.5 + 5 = 50 minutes

Hence, Minimum possible time to complete this entire trip = 37.5 + 50 = 87.5 minutes

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👍1
How many numbers are there from 700 to 950 (including both) which are neither divisible by 3 nor by 7? [SSC CGL 2017]
Anonymous Quiz
13%
(a) 107
27%
(b) 141
53%
(c) 144
7%
(d) 145
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👆Ans. C | Explanation

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A number divided by 68 gives the quotient 269 and remainder 0. If the same number is divided by 67, then the remainder is
Anonymous Quiz
7%
(a) 0
71%
(b) 1
16%
(c) 2
6%
(d) 3
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👆Ans. B | Explanation:

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Anuj bought a bike for Rs. 60000. He paid Rs. 10000 cash down and the rest at the end of 2 years at 15% simple interest. How much more did he pay as simple interest?
Anonymous Quiz
5%
(a) Rs. 50000
16%
(b) Rs. 35000
12%
(c) Rs. 25000
66%
(d) Rs. 15000
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👆Ans. D | Explanation:

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