CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The ratio of the number of boys and girls in a college is 7:8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

A
8:9
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
17:18
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
21:22
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Cannot be determined
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 21:22
Originally, let the number of boys and girls in the college be 7x and 8x respectively.

The percentage increase in the number of boys and girls is 20% and 10% respectively,

Their increased number is (120% of 7x) and (110% of 8x).

(120100×7x) and (110100×8x)

=> 42x5 and 44x5

The required ratio = (42x5:44x5) =21:22

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Questions on Ratio and Proportion
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon