Find the value of x in the following proportions : 10 : 35 = x : 42

Sum

10 : 35 = x : 42
⇒ 35 × x = 10 × 42
∴ x = `(10 xx 42)/(35)`
= 2 x 6
= 12.

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Chapter 6: Ratio and Proportion - Exercise 7.2

Chapter 6 Ratio and Proportion
Exercise 7.2 | Q 1.1

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