Ashifur August 8, 2023 - 14:34
Problem: The average weight of three men A, B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E, whose weight is 3 kg more than that of D, replaces A, then the average weight of B, C, D and E become 79 kg. What is the weight of A?

View all: IFIC BANK LTD | PROBATIONARY OFFICER | WRITTEN QUESTION SOLVE(MATH) | 2002

Correct Answer: 16.66%

Explanation:

At 25% profit

If cost price is Tk 100, then selling price would be 125 Tk.

1f selling price is 125 tk. then cost price would be = 100 Tk.

1f selling price is 4000 tk. then cost price would be = 3,200 Tk.

Total cost price of two commodities = 4,000 + 4,000 = 8,000 Tk.

Then the cost price of another commodity = 8,000 – 3,200 = 4,800 Tk.

But the sold another commodity at 4,000 Tk.

So he loses = 4,800 — 4,000 = 800 Tk.

loss % = 800 / 4800 = 16.66 %8004800  = 16.66 

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