If number of books Ram can buy is $20$ when cost of each book is $R s 35$ then find the number of books he can buy if price per book is $R s 14$ ?

25

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40

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50

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100

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Solution

The correct option is B $50$
No. of books $20 x$
Price per book $3514$
Inverse proportion
$20 \times 35 = x \times 14 \Rightarrow x = \frac{20 \times 35}{14} = 50$

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If number of books Ram can buy is 20 when cost of each book is Rs 35 then find the number of books he can buy if price per book is Rs 14?

The correct option is B 50No. of books 20xPrice per book 3514Inverse proportion20×35=x×14⇒x=20×3514=50

If number of books Ram can buy is $20$ when cost of each book is $R s 35$ then find the number of books he can buy if price per book is $R s 14$ ?

The correct option is B $50$
No. of books $20 x$
Price per book $3514$
Inverse proportion
$20 \times 35 = x \times 14 \Rightarrow x = \frac{20 \times 35}{14} = 50$