If 4- 6- 8- d- then find d-A- 10B- 8C- 12D- 14

The correct option is C 12Given proportion, 4 : 6 :: 8 : d We know nbsp; Product of means = Product of extremes ∴ 6 × 8 = 4 × d ⇒ d = 48/4 ⇒ d = 12 ...

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Standard VII

Mathematics

Comparing Quantities : Introduction

If 4: 6:: 8: ...

Question

If 4 : 6 : : 8 : d, then find d.

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Solution

The correct option is B 12
Given proportion, 4 : 6 :: 8 : d
We know
Product of means = Product of extremes
$∴$ 6 $\times$ 8 = 4 $\times$ d
$\Rightarrow$ d = $\frac{48}{4}$
$\Rightarrow$ d = 12

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If 4 : 6 : : 8 : d, then find d.

The correct option is B 12Given proportion, 4 : 6 :: 8 : d We know Product of means = Product of extremes ∴ 6 × 8 = 4 × d ⇒ d = 484 ⇒ d = 12

The correct option is B 12
Given proportion, 4 : 6 :: 8 : d
We know
Product of means = Product of extremes
$∴$ 6 $\times$ 8 = 4 $\times$ d
$\Rightarrow$ d = $\frac{48}{4}$
$\Rightarrow$ d = 12