Comprehension

Direction: The given line graph shows the number of passengers travelled by 2 cab drivers and the table shows the percentage of females who travelled in the cabs in different months.

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Month

Driver A

Driver B

Percentage of Females

Percentage of Females

May

30%

50%

June

50%

70%

July

20%

40%

August

60%

30%

September

40%

50%

Find the ratio of the average of the female in the month of June and July by Driver A to the average of the males in the same month by Driver B.

This question was previously asked in
RRB Officer Scale-I (13 October 2019) Mains Memory Based Paper
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  1. 55 : 42
  2. 42 : 55
  3. 11 : 17
  4. 17 : 11
  5. 29 : 27

Answer (Detailed Solution Below)

Option 3 : 11 : 17
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Detailed Solution

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Females in the month June = 250 × 50/100 = 125

Females in the month July = 200 × 20/100 = 40

The average of the female in the month of June and July by Driver A = (125 + 40)/2 = 82.5

Percentage of males in the month June = 100 - 70 = 30

Males in the month June = 350 × 30/100 = 105

Percentage of males in the month of July = 100 - 40 = 60

Males in the month July = 250 × 60/100 = 150

The average of the Males in the month of June and July by Driver B = (105 + 150)/2 = 127.5

 The ratio of the average of the female in the month of June and July by Driver A to the average of the males in the same month by Driver B

= 82.5 : 127.5 = 11 : 17

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