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If a :b =3:5 find 2a +3b: 4a+5b...

If a :b =3:5 find 2a +3b: 4a+5b

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  10. Arrange the ratios 4:5, 11:20, and 9:25 in descending order .

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  11. Find x given that 5 : x : : 13 :39 .

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  12. What must be added to each of the four numbers 6, 9, 12, and 17 such t...

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  13. A map is made with the scale 1 cm: 50,00,000 cm. If the distance betwe...

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  14. Are 3, 6 and 12 in continued proportion?

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  15. If A =2B =5C find the ratio A: B : C .

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  16. If X: Y = 2:3 and Y:Z = 3:4 find X:Z .

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  17. If a :b =3:5 find 2a +3b: 4a+5b

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  18. A can is (1)/(4)th full of water. When this water is poured into anoth...

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  19. The LCM of two numbers which are in the ratio 3:8 is 144 . Find the tw...

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  20. The ratio of the ages of Riti and Nakul is 2:3. Eight years ago, the r...

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