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

In the morning assembly of a school, 480 students are standing in rows and columns. If there are 4 more students in each row than the number of students in each column, then find the number of students in each row.


A

28

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

26

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

32

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

24

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

The correct option is D

24


Let the number of students in each row be x.And the number of students in each column be y.So, xy=480 ......(i)And x=y+4......(ii)Now,(y+4).y=480y2+4y480=0y2+24y20y480=0y(y+24)20(y+24)=0(y+24)(y20)=0y=24, 20. Here x=24(neglected)If y=20,x=20+4So, number of students in each row=24.


flag
Suggest Corrections
thumbs-up
8
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Algebraic Solution
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon