Question

The average price of $3$ items of furniture is Rs 15000 if their prices are in the ratio 3 : 5 : 7 The price of the cheapest items is

• A. $Rs18000$
• B. $Rs9000$
• C. $Rs15000$
• D. $Rs21000$

Answer 1

The correct option is B $Rs9000$

Total amount paid = $=Rs15000\times 3=Rs45000$
Thus, price of cheapest item
$=\frac{3}{3+5+7}\times 45000=Rs9000$