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If M ∝ N and When M = 154, N = 7. Find the Value of M, When N = 14 - SSC (English Medium) Class 8 - Mathematics

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Question

If m ∝ n and when m = 154, n = 7. Find the value of m, when n = 14

Solution

It is given that 

\[m \propto n\]

∴ m = kn, where k is constant of variation

When m = 154, n = 7.

∴ 154 = k × 7

⇒ k = \[\frac{154}{7}\] = 22

Therefore, the equation of variation is m = 22n.

When n = 14,

m = 22 × 14 = 308

Thus, the value of m is 308.

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APPEARS IN

 Balbharati Solution for Balbharati Class 8 Mathematics (2019 to Current)
Chapter 7: Variation
Practice Set 7.1 | Q: 3 | Page no. 36
Solution If M ∝ N and When M = 154, N = 7. Find the Value of M, When N = 14 Concept: Direct Variation.
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