Arithmetichard · Past Paper
In an alloy, there is 12% copper. To get 69 kg of copper, how much alloy is required?
A424 kg
B575 kg
C828 kg
D1732.5 kg
✓ Correct Answer: B — 575 kg
12% of x = 69 => x = 69 / 0.12 = 575 kg.
Share this question
More from Arithmetic
- The CI on a certain sum for 2 years is Rs. 41 and SI is Rs. 40. Find the rate of interest.
- Which is greater for the same P, T, R (where T > 1 year)?
- If the profit is Rs. 200 on an item with CP Rs. 800, what is the profit %?
- If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the CP is?
- Calculate the gain percentage if CP = Rs. 200 and SP = Rs. 250.