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Quantitative Aptitude

Ratio & Proportion

Study the fol...

Question

Study the following data carefully and answer the questions:

In a school having 400 students, boys and girls are in the ratio of 3 : 5. The students speak Hindi, English or both the languages. $12 %$ of the boys speak only Hindi. $22 %$ of the girls speak only English. $24 %$ of the total students speak only Hindi and the number of boys speaking both the languages is six times the number of boys speaking only Hindi.

How many girls speak only Hindi?

A

55

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B

117

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C

96

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D

78

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E

None of these

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Solution

The correct option is D 78

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Similar questions

Q. Study the following data carefully and answer the questions:

In a school having 400 students, boys and girls are in the ratio of 3 : 5. The students speak Hindi, English or both the languages.

12 %

of the boys speak only Hindi.

22 %

of the girls speak only English.

24 %

of the total students speak only Hindi and the number of boys speaking both the languages is six times the number of boys speaking only Hindi.

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

Q. Study the following data carefully and answer the questions:

In a school having 400 students, boys and girls are in the ratio of 3 : 5. The students speak Hindi, English or both the languages.

12 %

of the boys speak only Hindi.

22 %

of the girls speak only English.

24 %

of the total students speak only Hindi and the number of boys speaking both the languages is six times the number of boys speaking only Hindi.

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

Q. There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. Ten students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English ?

Q. In a class of

45

22

can speak Hindi only

12

can speak English only. The number of students who can speak both Hindi and English is :

50

students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. Ten students can speak both English and Hindi. If the number of students who can speak English is

21

, then how many students can speak Hindi, only Hindi and only English.

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