Question

If the price of sugar decreases by Rs 5, one can buy 1 kg more sugar in Rs 150. What is the price of the

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Answer 1

Answer:

Let price of sugar per kg = Rs.x

A to Q ..

→ (150/x-5) - (150/x) = 1

→ [ 150x - 150(x-5) ] / (x-5)*x

→ [ 150x - 150x + 750 ] = x² - 5x

→ x² - 5x - 750 = 0

Splitting the middle term now,

→ x² - 5x - 750 = 0

→ x² - 30x + 25x - 750 = 0

→ x(x-30) + 25(x-30) = 0

→ (x-30)(x+25) = 0

→ x = 30 or (-25) { negative value not possible.}

➡️ Hence, Price of sugar is Rs.30/kg

Answer 2

Answer:

your answer is 30 rupees