1
UPSC Civil Service Prelims Paper II 2021 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
The number 3798125P369 is divisible by 7. What is the value of the digit P?
A
1
B
6
C
7
D
9
2
UPSC Civil Service Prelims Paper II 2021 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
From January 1, 2021, the price of petrol (in Rupees per litre) on mth day of the year is 80 + 0.1 m, where m = 1, 2, 3, ..., 100 and thereafter remains constant. On the other hand, the price of diesel (in Rupees per litre) on nth day of 2021 is 69 + 0.15 n for any n. On which date in the year 2021 are the prices of these two fuels equal?
A
21st May
B
20th May
C
19th May
D
18th May
3
UPSC Civil Service Prelims Paper II 2021 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
A biology class at Central High School predicted that a local population of animals will double in size every 12 years. The population at the beginning of 2021 was estimated to be 50 animals. If P represents the population n years after 2021, then which of the following equations represents the class model of the population over time?
A
P = 12 + 50n
B
P = 50 + 12n
C
P = 50 (2)12n
D
P = 50 (2)n/12
4
UPSC Civil Service Prelims Paper II 2021 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
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?
A
45%
B
40%
C
30%
D
20%
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