Question 44
HardOriginal questionA shopkeeper sells part of his stock at a 10% loss and the rest at a 20% profit, and makes 5% profit on the whole. In what ratio were the two parts?
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
Treat the loss as : .
So the parts are equal, .
Worth noting
or comes from taking the loss as ; a loss sits below 0.
- Concept
- Alligation with profit and loss
- Typical timeTypical
- 120 s
- Your timeYours
- —
Practise this chapter →
Ten questions from Alligation & Mixtures, at your own pace.