In a class, there are 18 boys who are over 160 em tall. If these constitute three-fourths of the boys and the total number of boys is two-third of the total number of students in the class, what is the number of girls in the class?

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

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

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

Open in App

Solution

The correct option is B 12
Total number of boys $= 18 \div \frac{3}{4} = 24$
Total number of students $= 24 \times \frac{3}{2} = 36$
$∴$ Number of girls $= 36 - 24 = 12$

Suggest Corrections

Similar questions

Q. In a class, there are

18

boys who are over

160 c m

tall. If these constitute three-fourths of the boys and the total number of boys is two-thirds of the total number of students in the class, what is the number of girls in the class?

Q. In a class, there are 18 boys who are over 160 cm tall. If these boys constitute three-fourth of the total number of boys which is two-third of the total number of students in the class. What is the number of girls in the class?

एक कक्षा में, 18 लड़के ऐसे हैं जिनकी लंबाई 160 से.मी. से अधिक है। यदि ऐसे लड़कों की संख्या कुल लड़कों की संख्या की तीन-चौथाई है जो कक्षा में कुल विद्यार्थियों की दो-तिहाई है, तो कक्षा में कितनी लड़कियां हैं?

The ratio of number of boys and girls is 4 : 3. If there are 18 girls in a class, find the number of boys in the class and the total number of students in the class.

Q. In a class room, three-fourth of the boys are above 160 cm in height and they are 18 in number. Also out of the total strength, the boys form only two-third and the rest are girls. Find the total strength of the class.

In a class, there are 30 boys and 60 girls. What is the ratio of boys to the total number of students in the class?

Join BYJU'S Learning Program

In a class, there are 18 boys who are over 160 em tall. If these constitute three-fourths of the boys and the total number of boys is two-third of the total number of students in the class, what is the number of girls in the class?

The correct option is B 12Total number of boys =18÷34=24Total number of students =24×32=36∴ Number of girls =36−24=12

The correct option is B 12
Total number of boys $= 18 \div \frac{3}{4} = 24$
Total number of students $= 24 \times \frac{3}{2} = 36$
$∴$ Number of girls $= 36 - 24 = 12$