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
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 9 mam6 km in 2 hours. Find the ratio of their speeds
[ speed = Distance / Time
please tell me the answer and solutions
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Answer:
6. 4:5
6. 4:57. 10: 7
6. 4:57. 10: 78. 3:2
6. 4:57. 10: 78. 3:29. 4:1
Step-by-step explanation:
6. 60/75
=20/25 ( when divided by 3)
=4/5( when divided by 5)
7. 15(1/2)/7(3/7)
=(15/2)/21/4)
=15/2×4/21
8. 6/6
=3/2
9. at first we have to find speed by applying formula
=(36/3)/(6/2)
=(12/1)/(3/1)
=12×1/3
hope this will help you
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