wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

In a survey it was found that, the number of people who like only What’s app, only Facebook, both What’s app and Facebook and neither of them are 2n,3n,69n,693n
respectively. Then

A
n=1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
n=23
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
number of people who like facebook is 69
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
number of people who like facebook is 72
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D number of people who like facebook is 72
Since, the number of people cannot be fraction, the values of n and 3n need to be factors of 69.
n can be only 1 (or) 23
No. of people who like facebook =3n+69n=72

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon