ABC26GN1585 · Average
Subject: General Aptitude · Chapter: Average · Exam: · Marks: · Difficulty:
The average price of three items of furniture is ₹ 15000. If their prices are in the ratio 3 : 5 : 7, the price of the cheapest item is
(a)₹ 9000
(b)₹ 15000
(c)₹ 18000
(d)₹ 21000
Answer
Explanation
Let their prices be $3 x, 5 x$ and $7 x$ respectively. Then, $3 x+5 x+7 x=15000 \times 3$ $$\begin{aligned} & \Rightarrow \quad 15 x=45000 \\ & \Rightarrow \quad x=3000 . \end{aligned}$$
Explanation as extracted from the printed page; notation may be imperfect.
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