Question

Meenaksi ha locker in her bank. She has a total of 2,80,000 in her locker. The currency notes are in the denomination of Rs 50, Rs.20,Rs.10. These currency notes are in the ratio of 3:4:5.How many notes of each denomination are there in her locker

Answer 1

Dear student
$$\begin{gathered} \mathrm{Let}\mathrm{ratio}\mathrm{be}3\mathrm{x},4\mathrm{x}\mathrm{and}5\mathrm{x} \\ \mathrm{A}.\mathrm{T}.\mathrm{Q} \\ 3\mathrm{x}\times 50+4\mathrm{x}\times 20+5\mathrm{x}\times 10=280000 \\ \Rightarrow 150\mathrm{x}+80\mathrm{x}+50\mathrm{x}=280000 \\ \Rightarrow 280\mathrm{x}=280000 \\ \Rightarrow \mathrm{x}=1000 \\ \mathrm{Therefore}\mathrm{no}.\mathrm{of}\mathrm{notes}\mathrm{of}\mathrm{each}\mathrm{denomination}\mathrm{is}3000\mathrm{notes}\mathrm{of} \\ \mathrm{Rs}50 \\ 4000\mathrm{notes}\mathrm{of}\mathrm{Rs}20 \\ \mathrm{and}5000\mathrm{notes}\mathrm{of}\mathrm{Rs}10 \end{gathered}$$
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