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Direction to solve :

Percentage of students in various courses(A, B, C , D , E, F ) and percentage of girls of these

01.

How many girls are in course C?

A.	44	B.	16
C.	40	D.	None of these

Answer and Explanation

Answer: 16

Explanation:
Number of girls in course C = 2% of 800 = 16

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02.

For which pair of courses is the number of boys the same?

A.	E and F	B.	A and D
C.	C and F	D.	None of these

Answer and Explanation

Answer: C and F

Explanation:
Course C and F, the number of boys is same.
In C – Total number of students: 5% of 1200 = 60
Number of girls = 2% of 800 = 16
60 – 16 = 44 boys
In F – Total number of students: 13% of 1200 = 156
Number of girls = 14% of 800 = 112
156 – 112 = 44 boys.

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03.

For course E, the number of girls is how much per cent more than the boys for course E?

A.	250%	B.	350%
C.	150%	D.	None of these

Answer and Explanation

Answer: 250%

Explanation:
From the table in above question, in the course E, number of girls
= 112
And number of boys = 32
Required percentage = 112 – 32 / 32 x 100%
80 / 32 x 100% = 250%

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04.

For which course is the number of boys the minimum?

A.	E	B.	F
C.	C	D.	none of these

Answer and Explanation

Answer: none of these

Explanation:
in course A, there is no boy. Thus, we can say that in the course
A, the number of boys is minimum.

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05.

For course D, what is the respective ratio of boys and girls?

A.	3:4	B.	4:5
C.	3:5	D.	None of these

Answer and Explanation

Answer: 3:4

Explanation:
Required ratio = Number of boys in course D / Number of girls in course D
180 / 240 = 3:4

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