A 10 hike in the price of pulses forces a person to purchase 2kg less for Rs 110 Find the new and th...........

Quant (SSC) Profit and loss

A 10% hike in the price of pulses forces a person to purchase 2kg less for Rs 110 . Find the new and the original prices of the pulses.

Rs 2 per kg

Rs 5 per kg

Rs 7 per kg

Rs 10 per kg

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Explanation:

To solve this question, we can apply a short trick approach
Original price = [Ax /(100 + x)n] per kg
Where,
'x' is the percentage of hike in the price of an article = 10%
'n' is the decreased weight after the hike of price = 2 kg
'A' is the price of decreased weight = ? 110
The original price of rice = 110 x 10 /(100 + 10)2 = 1100/220
= 110 /22 = 5 per kg