MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Converting a Given Fraction or Decimal into Percentage

The ratio of ...

Question

The ratio of number of boys to that of girls is 3:2. What is the percentage of boys in the class?

A

20

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

30

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

40

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

50

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
50

Given : The ratio of number of boys to that of girls = 3:2

Let, number of boys be $3 x$ and number of girls be $2 x$

Total students = 3x + 2x = 5x

$∴$ The percentage of boys = $\frac{3 x}{5 x} \times 100 = 60 %$

Suggest Corrections

thumbs-up

0

Similar questions

A class has 60 girls. The ratio of number of boys to that of girls is 3:2. What is the percentage of boys in the class?

Q. The ratio of boys and girls in a class is 5:3. 20% the boys and 60% of the girls have passed in class. What percentage of the class has passed in first class?

Q. The ratio of the boys to girls in a class is 2 : 3. If 20% of boys leave this class, then the new ratio of boys to girls is

Q. In a classroom, one-fifth of the boys leave the class and the ratio of the remaining boys to girls is

2 : 3

44

girls leave the class, the ratio of boys to girls is

5 : 2

. How many more boys should leave the class so that the number of boys equals that of girls?

Q. In Mr.Smith's class, what is the ratio of the number of boys to the number of girls?
(1) There are

3

times as many girls as boy sin Mr. Smith's class.
(2) The number of boys is

\frac{1}{4}

of the total number of boys and girls in Mr. Smith's class.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Converting a given Fraction or Decimal into Percentage

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Converting a Given Fraction or Decimal into Percentage

Standard VI Mathematics

Join BYJU'S Learning Program

CrossIcon