Question

srishti has a total of rs.780 as a currency of rs.10, rs.20 and rs.50. the ratio of the numbers of notes of rs. 10 and rs.20 and rs.50 is 4:5:5 respectively. find the total cash of each currency she has.​

Answer 1

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Answer 2

Let Srishti has 3x notes of Rs 50 and 2x notes of Rs 10 in numbers.

So, number of notes of Rs 20 = (32 – 3x – 2x) = (32 – 5x)

Amount of Rs 50 notes = 50(3x) = Rs (150x)

Amount of Rs 20 notes = 20(32 – 5x) = Rs (640 – 100x)

Amount of Rs 10 notes = 10(2x) = Rs (20x)

Total money she has = Rs 780

150x + 640 – 100x + 20x = 780

or 70x = 140

or x = 2

The number of Rs 50 notes Srishti has = 6

The number of Rs 20 notes Srishti has = 22

The number of Rs 10 notes Srishti has = 4