NIMCET 2020 Question Paper with solutions

Question : 69 of 120

Marks: +1, -0

A total of 324 notes comprising of Rs. 20 and Rs. 50 denominations make a sum ofRs. 12450. The number of Rs. 20 notes is

Solution:

Let no. of denominator 20 be x
Let no. of denominator

324 - x

20x+50(324-x)=12450

X=125

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