Question 1

Approximately how much % more plastic was used than iron for packaging food items?

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Question 2

What is the ratio between the glass and aluminium packaging used for packing beverages?

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Question 3

What % of the total glass packaging material was used for packaging food items?

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Question 4

Approximately what % of all the packaging materials used for packing food items and beverages was contributed by plastic and aluminium together?

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Question 5

In the case of which one of the following packaging materials used for packing food items and beverages respectively the ratio is 4 : 9?

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Question 6

How many girls speak only Hindi?

Accepted Answer

Given : - According to question , Total number of students in school = 400 students Ratio of boys and girls in school = 3 : 5 Let us assume the ration is P. Number of boys = 3P Number of girls = 5P 3P + 5P = 400 8P = 400 P = 50 Number of boys = 3P = 3 x 50 =150 Number of girls = 5P = 5 x 50 = 250 % of the students speak only Hindi = 24% number of boys speak only Hindi = 18 According to question , The total number of girls speaking Hindi = 24% × Total number of students - number of boys speak only Hindi = 24% × 400 - 18 = 96 - 18 = 78

Question 7

What is the ratio of the number of boys to the number of girls speaking both the languages?

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Question 8

The number of girls speaking only Hindi is what percent of the total number of students speaking only Hindi?

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Question 9

How many boys speak Hindi?

Accepted Answer

Given : - According to question , Total number of students in school = 400 students Ratio of boys and girls in school = 3 : 5 Let us assume the ration is P. Number of boys = 3P Number of girls = 5P 3P + 5P = 400 8P = 400 P = 50 Number of boys = 3P = 3 x 50 =150 Number of girls = 5P = 5 x 50 = 250 % of the boys speak only Hindi = 12% According to question , The total number of boys speaking Hindi = 12% × Number of boys + six times the number of boys speaking only Hindi ⇒18 + 108 = 126

Question 10

How many students speak English?

Accepted Answer

According to question , Total number of students in school = 400 students Ratio of boys and girls in school = 3 : 5 Let us assume the ration is P. Number of boys = 3P Number of girls = 5P 3P + 5P = 400 8P = 400 P = 50 Number of boys = 3P = 3 x 50 =150 Number of girls = 5P = 5 x 50 = 250 According to question , The total number of students speaking English = 79 + 225 = 304

Question 11

What was the difference in the production of C type cars between 1996 and 1997?

Accepted Answer

Production of C type cars in 1996 = (70 − 40)% of 450000 Production of C type cars in 1996 = 30% of 450000 = 135000 Production of C type cars in 1997 = (65 − 40)% of 520000 Production of C type cars in 1997 = 25% of 520000 = 130000 ∴ Required difference = 5000.

Question 12

If 85% of E type cars produced during 1996 and 1997 are being sold by the company, then how many E type cars are left unsold by the company?

Accepted Answer

Production of E type cars in 1996 = (100 − 80)% of 450000 Production of E type cars in 1996 = 20% of 450000 = 90000 And in 1997 = 10% of 520000 = 52000 ∴ Total production = 90000 + 52000 = 142000. ∴ Required number of cars = 15% of 142000 = 21300

Question 13

If the number of A type cars manufactured in 1997 was the same as that of 1996, what would have been its approximate percentage share in the total production of 1997?

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Question 14

In the case of which of the following types of cars was the percentage increase from 1996 to 1997 the maximum?

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Clearly, by visual inspection D is the desired option.

Question 15

If the percentage production of B type cars in 1997 was the same as that of 1996, what would have been the number of cars produced in 1997?

Accepted Answer

Percentage production of B type cars in 1997 = that in 1996 (given) = (40 − 15) 25% of 520000 = 130000.

Question 16

In which year was the sales-to-expense ratio the lowest?

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Question 17

What was the average per annual increase in sales (in $ Billion) from 1994 to 1998?

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Question 18

What has been the simple average growth rate per annum of expense between 1994 and 1995?

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Question 19

In which year was the ratio of sales to capital the lowest?

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Ratio of sales to capital = Sales in a year / Capital in a year Solve the question with the help of option one by one. Option(A) Ratio of sales to capital in 1998 = Sales in 1998 / Capital in 1998 Ratio of sales to capital in 1998 = 800 / 200 = 4 Similarly Option(B) Ratio of sales to capital in 1997 = Sales in 1997 / Capital in 1997 Ratio of sales to capital in 1997 = 400 / 200 = 2 Similarly Option(C) Ratio of sales to capital in 1996 = Sales in 1996 / Capital in 1996 Ratio of sales to capital in 1996 = 300 / 100 = 3 Similarly Option(D) Ratio of sales to capital in 1995 = Sales in 1995 / Capital in 1995 Ratio of sales to capital in 1995 = 500 / 100 = 5 As we see in all option , The ratio value is lowest for the year 1997. So answer will be 1997.

Question 20

In which year was the ratio of Profit to capital the highest?

Accepted Answer

As we know the formula, Profit = Sales - Expenses Solve option one by one. Option (A) in year 1998 Profit in year 1998 = Sales in 1998 - Expenses in 1998 Profit in year 1998 = 800 - 700 = 100 Capital in year 1998 = 200 (As per given graph) Ratio of profit to capital in year = 100 / 200 = 0.5 Similarly Option (B) in year 1995 Profit in year 1995 = Sales in 1995 - Expenses in 1995 Profit in year 1995 = 500 - 400 = 100 Capital in year 1995 = 100 (As per given graph) Ratio of profit to capital in year = 100 / 100 = 1 Similarly Option (C) in year 1996 Loss in year 1996 = Sales in 1996 - Expenses in 1996 Loss in year 1996 = 500 - 400 = 100 Profit in year 1996 = 500 - 400 = - 100 Capital in year 1996 = 100 (As per given graph) Ratio of profit to capital in year = - 100 / 100 = -1 Similarly Option (D) in year 1997 Loss in year 1997 = Sales in 1997 - Expenses in 1997 Loss in year 1997 = 600 - 400 = 200 Profit in year 1997 = 600 - 400 = - 200 Capital in year 1997 = 200 (As per given graph) Ratio of profit to capital in year 1997 = Profit / Capital Ratio of profit to capital in year 1997 = - 200 / 200 = -1 As we can see the year 1995 has the highest ratio for Profit to capital.

Introduction to Data Interpretation Questions