Asad went to the market to buy 12 oranges. But he found that he had the money to buy only 10 oranges. He calculated that if the price per piece of orange was tk. 3 less, he could have bought 12 oranges. How much did Asad have?

Asad went to the market to buy 12 oranges. But he found that he had the money to buy only 10 oranges. He calculated that if the price per piece of orange was tk. 3 less, he could have bought 12 oranges. How much did Asad have?

A 150

B 160

C 175

D 180

Solution

Correct Answer: Option D

Let, Asad have X taka
ATQ,
X/10 - X/12 = 3
⇒ 6X - 5X = 60×3
⇒ X = 180