Find the triplicate ratio of 13 : 23

Find the triplicate ratio of 1³ : 2³

Sum

Triplicate ratio of 1³ : 2³
= (1³)³ : (2³)³
= (1)³ : (8)³
= 1 : 512.

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Chapter 6: Ratio and Proportion - Exercise 7.1

Chapter 6 Ratio and Proportion
Exercise 7.1 | Q 4.3

Find the fourth proportional of 4 hours 40 minutes, 1 hour 10 minutes and 16 hours.

Find the ratio of the first quantity to the second.

25 beads, 40 beads

Find the ratio of the first quantity to the second.

15 minutes, 1 hour

Find the reciprocal ratio of 3² : 4²

Three numbers are in the ratio `(1)/(2) : (1)/(3) : (1)/(4)` If the sum of their squares is 244, find the numbers.

Express the following ratio in the simplest form:
85 : 561

From the given pairs, find which ratio is larger:

(5 : 12) or (17 : 30)

If `x/a = y/b = z/c`, prove that `(3x^3 - 5y^3 + 4z^3)/(3a^3 - 5b^3 + 4c^3) = ((3x - 5y + 4z)/(3a - 5b + 4c))^3`.

The ratio of 150 cm to 1 metre is 1 : 1.5.

Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father after 10 years to the age of son after 10 years.