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(i) When you multiply a number by 6 and subtract 5 from the product, you get 7. Can you tell what the number is?

(ii) What is that number one third of which added to 5 gives 8?

Answers (1)

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(i) Let the number be n.

Then according to question, we have :

$6n\ -\ 5\ =\ 7$

or $6n\ =\ 7\ +\ 5\ =\ 12$

or $n\ =\ 2$

(ii) Let the number be x.

Then according to question,

$\frac{x}{3}\ +\ 5\ =\ 8$

$\frac{x}{3}\ =\ 8\ -\ 5\ =\ 3$

$x\ =\ 9$

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Sanket Gandhi

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