Find: the Sub-duplicate Ratio of 256: 625

Find: The sub-duplicate ratio of 256: 625

Sum

The sub-duplicate ratio of 256: 625
= `root(3)(256) : root(3)(625)`
= 16 : 25.

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Chapter 7: Ratio and Proportion - Exercise 1

Chapter 7 Ratio and Proportion
Exercise 1 | Q 11.3

Find triplicate ratio of 1 : 3

Find the reciprocal ratio of 3 : 5

Find the ratio compounded of the duplicate ratio of 5 : 6, the reciprocal ratio of 25 : 42 and the sub-duplicate ratio of 36 : 49.

Express the given ratio in its simplest form: `1 1/3:2 1/4:2 1/2`

The ratio of copper and zinc in an alloy is 9 : 8. If the weight of zinc, in the alloy, is 9.6 kg; find the weight of copper in the alloy.

Find the ratio of the first quantity to the second.

750 grams, `1/2` kg

Find the triplicate ratio of 1³ : 2³

Divide Rs 3450 among A, B, and C in the ratio 3 : 5 : 7.

Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father to the age of son when father was 30 years old.

0.2 : 5 = 2 : 0.5