Arithmeticmedium · Past Paper
If the population of a town increases by 10% in the first year and 20% in the second year, find the effective growth rate for 2 years.
A30%
B32%
C35%
D25%
✓ Correct Answer: B — 32%
Effective rate = (1.1 * 1.2) - 1 = 1.32 - 1 = 32%.
Share this question
More from Arithmetic
- If A's height is 25% more than B's height, by what percent is B's height less than A's height?
- A reduction of 20% in the price of sugar enables a housewife to buy 5 kg more for Rs. 600. Find the original price per kg.
- What is the ratio of the area of a square to the area of the square drawn on its diagonal?
- The ratio of the area of a circle to its radius squared is always:
- If x/y = 4/5, find (5x-3y) : (5x+3y).