Arithmeticmedium · Past Paper
If $x/2 = y/3 = z/5$, then the ratio $(x+y+z)/z$ is:
A2
B10
C5
D1
✓ Correct Answer: A — 2
Let x=2k, y=3k, z=5k. (2k+3k+5k)/5k = 10k/5k = 2.
Share this question
More from Arithmetic
- A sum of Rs. 12000 deposited at CI doubles in 5 years. After 20 years, it will be:
- The total number of students in a school is 2140. If the number of girls in the school is 1200, then what is the ratio of total number of boys to the total number of girls?
- The ratio of two numbers is 3:4. If the LCM of the numbers is 180, what is the sum of the numbers?
- Calculate the simple interest on Rs. 5000 at a 10% annual rate for 2 years.
- Two numbers are in the ratio 1:2. If 7 is added to both, their ratio changes to 3:5. The greatest number is: