1

Question

Ranjana's mother gave her Rs.245 for buying a New Year card.If she got some 10-rupees cards, 23 as many 5-rupee cards and 15 as many 15-rupee cards. How many of each kind did she buy in order of 10 rupees, 5 rupees, and 15 rupee cards?

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Solution

The correct option is **C** 15,10,3

Let

She bought:

10Rscards=x

5Rscards=23x

15Rscards=15x

Totalmoneyshewashaving=Rs245

Accordingtoquestion

10(x)+5(23x)+15(15x)=245

⇒10x+10x3+3x=245

⇒13x+10x3=245

⇒39x+10x3=245

⇒49x=735

x=15

Hence

Shebought

10Rscards=15

5Rscards=10

15Rscards=3

Let

She bought:

10Rscards=x

5Rscards=23x

15Rscards=15x

Totalmoneyshewashaving=Rs245

Accordingtoquestion

10(x)+5(23x)+15(15x)=245

⇒10x+10x3+3x=245

⇒13x+10x3=245

⇒39x+10x3=245

⇒49x=735

x=15

Hence

Shebought

10Rscards=15

5Rscards=10

15Rscards=3

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