In a group of people solicited by a charity, 30% contributed Tk. 40 each, 45% contributed Tk. 20 each, and the rest contributed Tk. 2 each. If the charity received a total of Tk. 300 from the people who contributed TR. 2, how much was contributed by the group?

Ashifur August 8, 2023 - 14:55

Problem: In a group of people solicited by a charity, 30% contributed Tk. 40 each, 45% contributed Tk. 20 each, and the rest contributed Tk. 2 each. If the charity received a total of Tk. 300 from the people who contributed TR. 2, how much was contributed by the group?

View all: DHAKA BANK LTD. | WRITEEN MATH SOVE | 2004

Correct Answer: 12900 TK

Explanation:

Let, the number of people be = x

The Tk of 30% people = $x\frac{30}{100}\cdot 40$= 12x Tk

The taka of 45% people =$x\frac{45}{100}\cdot 20$= 9x Tk

The taka of 25% people = $x\frac{25}{100}\cdot 2$= $\frac{x}{2}$

According to the question,

$\frac{x}{2}$ = 300

x = 600

Total Taka received by the group= 12x + 9x +$\frac{x}{2}$

=12 x 600+9 x 600+$\frac{600}{2}$

= 7200 + 5400 + 300 = 12900 Tk.

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