Advertisements
Advertisements
प्रश्न
2500 is greater than 500 by ______ %.
उत्तर
2500 is greater than 500 by 400 %.
Explanation:
Difference between 2500 and 500 = 2500 – 500 = 2000
Percentage increase in 500 to 2500 = `2000/500 xx 100`
= `2000/5`
= 400%
APPEARS IN
संबंधित प्रश्न
The population of a city decreased from 25,000 to 24,500. Find the percentage decrease.
Arun bought a car for ₹ 3,50,000. The next year, the price went upto ₹ 3,70,000. What was the percentage of price increase?
Shikha's income is 60% more than that of Shalu. What percent is Shalu's income less than Shikha's?
Three times a number is 200% increase in the number, then one-third of the same number is 200% decrease in the number.
In 2007 – 08, the number of students appeared for Class X examination was 1,05,332 and in 2008 – 09, the number was 1,16,054. If 88,151 students pass the examination in 2007 – 08 and 103804 students in 2008 – 09. What is the increase or decrease in pass % in Class X result?
In 1975, the consumption of water for human use was about 3850 cu.km/year. It increased to about 6000 cu.km/year in the year 2000. Find the per cent increase in the consumption of water from 1975 to 2000. Also, find the annual per cent increase in consumption (assuming water consumption increases uniformly).
For an amount, explain why, a 20% increase followed by a 20% decrease is less than the original amount.
Sunscreens block harmful ultraviolet (UV) rays produced by the sun. Each sunscreen has a Sun Protection Factor (SPF) that tells you how many minutes you can stay in the sun before you receive one minute of burning UV rays. For example, if you apply sunscreen with SPF 15, you get 1 minute of UV rays for every 15 minutes you stay in the sun.
Suppose a sunscreen allows 25% of the sun’s UV rays.
- What fraction of UV rays does this sunscreen block? Give your answer in lowest terms.
- Use your answer from Part (a) to calculate this sunscreen’s SPF. Explain how you found your answer.
If A is increased by 20%, it equals B. If B is decreased by 50%, it equals C. Then ______ % of A is equal to C.
