Arithmeticmedium · Past Paper
The ratio of two numbers is 5:9. If 10 is subtracted from each, the ratio becomes 5:11. The numbers are:
A30, 54
B15, 27
C20, 36
D25, 45
✓ Correct Answer: A — 30, 54
(5x-10)/(9x-10) = 5/11 => 55x-110 = 45x-50 => 10x = 60 => x = 6. Numbers are 30 and 54.
Share this question
More from Arithmetic
- A machine was sold at a loss of 10%. If it was sold for Rs. 60 more, there would have been a gain of 10%. Find CP.
- A man invests Rs 5000 for 3 years at 10% per annum compound interest. Calculate the interest for the third year only.
- What is the compound interest on Rs. 5000 for 1.5 years at 10% p.a. compounded semi-annually?
- The value of a car depreciates from Rs 500,000 to Rs 405,000 in 2 years. Find the annual rate of depreciation.
- Find CP when SP = Rs. 40 and loss = 20%.