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Question

Lakshmi is a cashier in bank she has currency notes of denomination rupees hundred rupees 50 and rupees 10 respectively the ratio of the number of the of these notes in2:3:5 The total cash with Lakshmi is Rs 400000 how many note of each denomination does he have

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Solution

number of rs 100 note = 2x
number of rs 50 note = 3x
number of rs 10 note = 5x
then,
100*2x + 50*3x + 10*5x = 400000
200x + 150x + 50x = 400000
400x = 400000
x = 1000

rs. 100 note = 2000
rs 50 note = 3000
rs 10 note = 5000


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