The cost price of 10 pens is the same as the selli price of a pens. If there is a loss of 40% approximately what is the value of n?

Shohan

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2025-01-04 04:42

1 Answers

Shohan

$L e t, t h e \cos t p r i c e o f e a c h p e n i s 1 t k . ∴ T h e \cos t p r i c e o f n p e n i s = n t k . G i v e n, s e l l i n g p r i c e o f 10 p e n s = 10 t k . ∴ l o s s = (n - 10) t k . ∴ (\frac{n - 10}{n} \times 100) % = 40 % [A s, l o s s % = \frac{C P - S P}{C P} \times 100] = \frac{n - 10}{n} \times 100 = 40 = 100 n - 1000 = 40 n = 60 n = - 1000 ∴ n = \frac{1000}{60} = 16.667 % ∴ n = 17 % (A p p r o x i m a t e l y) a n s .$

7 views Answered 2024-12-14 13:31

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