Ravi thinks of a number and multiplies it by 6 and 4 and divides the result by 3, takes away the original number he first thought of and gets the answer as 28. Find the original number.

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Solution

The correct option is D
4

Let the number be x

$\frac{x \times 6 \times 4}{3} - x = 28 \Rightarrow 8 x - x = 28 \Rightarrow 7 x = 28 \Rightarrow x = 4$

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Ravi thinks of a number and multiplies it by 6 and 4 and divides the result by 3, takes away the original number he first thought of and gets the answer as 28. Find the original number.

The correct option is D 4 Let the number be x x×6×43−x=28⇒8x−x=28⇒7x=28⇒x=4

The correct option is D
4

Let the number be x

$\frac{x \times 6 \times 4}{3} - x = 28 \Rightarrow 8 x - x = 28 \Rightarrow 7 x = 28 \Rightarrow x = 4$