A person distributes a sum of money among some
beggars. If there had been 6 beggars more, each would
have received a rupee less, but if there had been 4
beggars less each would have received Rs 1 more.
Then the number of beggars are
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Given: A person distributes a sum of money among some beggars. If there had been 6 beggars more, each would have received a rupee less, but if there had been 4 beggars less each would have received Rs 1 more.
To find: The number of beggars?
Solution:
- Let number of beggars be x and money distributed be y.
- The total money will be xy.
- According to the question:
- If there had been 6 beggars more, each would have received a rupee less.
(x + 6)(y - 1) = xy
xy - x + 6y - 6 = xy
6y - x = 6 .......................(i)
- If there had been 4 beggars less each would have received Rs 1 more.
(x - 4)(y + 1) = xy
xy + x - 4y - 4 = xy
x - 4y = 4 .......................(ii)
- Putting value of x from ii in i, we get:
6y - (4 + 4y) = 6
6y - 4 - 4y = 6
2y = 10
y = 5
- Putting y in i, we get:
6(5) - x = 6
30 - 6 = x
x = 24
Answer:
So the number of beggars are 24.
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