In an envelope there are 5 rupee notes and some 10 rupee notes total amount of these notes together is 350 rupees number of 5 rupee notes are less by 10 than twice number of 10 rupee notes then find the number of 5 rupee and 10 rupee notes
Answers
Answered by
1
Back to Questions
Aptitude Question Discussion - ALGEBRA
Q.
Jay has with him a total of Rs 29 in 5-rupee and 2-rupee denominators. The number of 5-rupee notes in one-half of one less than the number of 2-rupee notes. How many 5-rupee notes and 2-rupee notes does Jay have respectively?
A.
7,3
✔
B.
3,7
✖
C.
2,5
D.
5,2
Solution:
Let x be the 5-rupee notes and y be the number of 2-rupee notes.
5x+2y=29 -------- (i)
x=(y−1)2
2x−y=−1 -------- (ii)
On solving both the equation we get:
x = 3 and y = 7
Aptitude Question Discussion - ALGEBRA
Q.
Jay has with him a total of Rs 29 in 5-rupee and 2-rupee denominators. The number of 5-rupee notes in one-half of one less than the number of 2-rupee notes. How many 5-rupee notes and 2-rupee notes does Jay have respectively?
A.
7,3
✔
B.
3,7
✖
C.
2,5
D.
5,2
Solution:
Let x be the 5-rupee notes and y be the number of 2-rupee notes.
5x+2y=29 -------- (i)
x=(y−1)2
2x−y=−1 -------- (ii)
On solving both the equation we get:
x = 3 and y = 7
Similar questions