Subject: General Aptitude · Chapter: Ratio and Proportion · Exam: 2006 · Marks: · Difficulty:
The cost of an article depends on three items - material, labour and other expenses. The cost on these items is in the ratio $3: 4: 1$ respectively. If the cost of material is ₹ 22.50, find the cost of the article.(R.R.B.,2006)
Answer
Answer (as printed):
Explanation
Let the cost of material, labour and other expenses be $₹ 3 x, 4 x$ and $x$ respectively. Then, $3 x=22.50$ or $x=7.50$. $$\therefore \quad \text { Cost of the article }=3 x+4 x+x=8 x=₹(8 \times 7.50)=₹ 60 .$$
Explanation as extracted from the printed page; notation may be imperfect.