Directions: Study the following graph carefully and answer the questions given below:

The following bar graph shows the number of students(in lakhs) in different universities 
 
1
What is the average number of females in all the universities together?
» Explain it
A
Required average

37.5 + 30 + 25 + 37.5 + 35
5
165  = 33 lakh
5

Hence, option A is correct.

2
What is the difference between total number of students (males and females together) in combinations of Universities P and R & Q and S?
» Explain it
B
Total number of students in university P and R together = 30 + 37.5 + 42.5 + 25 = 135 lakh 
 
Similarly, Q and S = 40 + 30 + 25 + 37.5 = 132.5 lakh
 
Required difference = 135 – 132.5 = 2.5 lakh.

Hence, option B is correct.
 
3
What is the ratio of the number of females from University P and Q together to the number of males in the University R and T together?
» Explain it
B
Required ratio

37.5 + 30
42.5 + 27.5

 =  67.5  =  27
70 28

= 27 : 28

Hence, option B is correct.

4
The number of males in University Q is what per cent of the total number of students (males and females together) in University S?
» Explain it
D
Required percent

40  × 100 
(25 + 37.5)

40  × 100
62.5

= 64%

Hence, option D is correct.

5
How much per cent R's male students are greater than P's female students (in approximate)?
» Explain it
B
Required percentage

42.5 – 37.5  × 100
37.5
5  × 100
37.5

= 13.33 ≈ 13%

Hence, option B is correct.


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