Arithmetichard · Past Paper
Two numbers are in the ratio 3:5. If 9 is subtracted from each, the new numbers are in the ratio 12:23. The smaller number is:
A33
B27
C49
D55
✓ Correct Answer: A — 33
(3x-9)/(5x-9) = 12/23 => 69x - 207 = 60x - 108 => 9x = 99 => x = 11. Smaller number = 3 * 11 = 33.
Share this question
More from Arithmetic
- The ratio of milk and water in a 40L mixture is 7:1. How much water should be added so that the ratio becomes 3:1?
- If a number is reduced by 40%, it becomes 480. What is the number?
- Find x if 20% of x is equal to 40% of 10.
- A jacket's price is increased by 20% and then decreased by 20%. What is the net change?
- If the value of a machine is V and it depreciates at R% per year, what is its value after 1 year?