The number of books on Mathematics, Physics and Chemistry in a University library is in the ratio 8 : 5 : 9. There is a proposal to increase these books by 10%, 5% and 5% respectively. What will be the ratio of the number of books after increment?
Answer & explanation
Correct answer: option 3
Mathematics : Physics : Chemistry
Original 8 : 5 : 9
New 8×\(\frac{110}{100}\) : 5×\(\frac{105}{100}\) : 9×\(\frac{105}{100}\)
880 : 525 : 945
176 : 105 : 189