A number of building blocks were purchased to construct a wall at cost of Tk. 40 each, but only 5/6th of them were used. If the unused 290 bricks were returned and their cost refunded, what was the cost of building blocks used to make the wall?

A Tk. 76,000

B Tk. 22, 800

C Tk. 30,400

D Tk. 41,400

Solution

Correct Answer: Option E

Solution

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