Arithmeticeasy · Past Paper
If the ratio of two numbers is 3:4 and their sum is 140, find the smaller number.
A40
B60
C80
D100
✓ Correct Answer: B — 60
Let the numbers be 3x and 4x. 3x + 4x = 140 implies 7x = 140, so x = 20. The smaller number is 3 * 20 = 60.
Share this question
More from Arithmetic
- If x/y = 6/5, find (x^2+y^2)/(x^2-y^2).
- If 10% of A = 20% of B = 30% of C, find A:B:C.
- A ratio is a comparison of two quantities of:
- If the profit made on selling an article for Rs. 1920 is equal to the percentage of loss made on selling the same article for Rs. 1280, at what price should it be sold to make 25% profit?
- Calculate 5% of 200.