A man ordered 10 physics book and some chemistry book The price of chemistry book is twice the price...........

Quantitative Aptitude (MTS) Percentage

A man ordered 10 physics book and some chemistry book.The price of chemistry book is twice the price of a physics

book.While preparing the bill,the cleark interchanged the number of physics and chemistry book by mistake,which decreased

the bill by $12\frac{1}{2}$ %.The ratio of the number of physics book to the number of chemistry in the original order is:

This questions was previously asked in

SSC MTS 12th October 2021 Shift-3

3:5

3:4

4:5

2:3

2:3

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