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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 haverespectively?
  • a)
    3, 7
  • b)
    7, 3
  • c)
    4, 7
  • d)
    7,4
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Jay has with him a total of Rs 29 in 5-rupee and 2-rupee denominators....
Let x be the 5-rupee notes and y be the number of 2-rupee notes.
5x+2y=29--------------- (i)
x= (y-l)/2
= >2x-y=-l-------------- (ii)
On solving both the equations, we get: x = 3 and y = 7
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Community Answer
Jay has with him a total of Rs 29 in 5-rupee and 2-rupee denominators....
Solution:
Let the number of 5-rupee notes be x. Then the number of 2-rupee notes would be (2x - 2).
Total amount that Jay has = Rs 29.

So, we can write an equation:
5x + 2(2x - 2) = 29

Simplifying this equation, we get:
9x = 33
x = 3.67

Since the number of notes has to be a whole number, we can assume that x = 3.

Therefore, the number of 5-rupee notes is 3 and the number of 2-rupee notes is (2*3 - 2) = 4.

Hence, the correct answer is option A (3, 7).
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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 haverespectively?a)3, 7b)7, 3c)4, 7d)7,4Correct answer is option 'A'. Can you explain this answer?
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