6. A boy scored 60 marks in a Science test and 75 marks in a Mathematics test. WHat is the ratio of his mathematics marks to his science marks?
7. An alloy consists of 15 1/2 of zinc and 7 3/4 g of copper . fing the ratio by weight of zinc to copper in the alloy
2
4
alloy.
8. In the word 'AUDITORIUM', find the ratio of the number of vowels to the number of consonants.
9. A cyclist travels 36 km in 3 hours and a motorist travels 96 km in 2 hours. Find the ratio of their speeds
[ speed = Distance / Time
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two circle of se let of pages and 60 degree and 75 degree at the centre find the ratio of the radius
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