Arithmeticmedium · Past Paper
If 10% of x is equal to 20% of y, then x:y is:
A1:2
B2:1
C1:1
D4:1
✓ Correct Answer: B — 2:1
0.1x = 0.2y => x/y = 0.2/0.1 = 2/1. Thus x:y = 2:1.
Share this question
More from Arithmetic
- In the formula A = P(1 + R/100)^T, what does 'A' represent?
- Convert 9 months into years.
- At what rate will Rs. 100 double itself in 10 years at simple interest?
- At what rate of SI will the interest on a certain sum be 0.125 times the principal in 2.5 years?
- The MP of a computer is Rs. 40,000. After a discount, it is sold for Rs. 34,000. Find the discount %.