Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
508 views
in Linear Equations by (49.2k points)
closed by

Five times A's money added to B's money is more than Rs 51.00. Three times A's money minus B's money is Rs 21.00. If a represents A's money in Rs and b represents B's money in Rs, then : 

(a) a > 9, b > 6 

(b) a > 9, b < 6 

(c) a > 9, b = 6 

(d) a > 9, but we can put no bounds on b

1 Answer

+1 vote
by (53.1k points)
selected by
 
Best answer

(a) a > 9, b > 6

5a + b > 51 ….........(i) 

3a – b = 21 …..........(ii) \(\Rightarrow\) b = 3a – 21

Putting the value of b in (i), we get

5a + 3a – 21 > 51 \(\Rightarrow\) 8a > 72 \(\Rightarrow\) a > 9

Now, b = 3a – 21

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...