What is the final percentage change compared to the original number? A. 4% decrease B. 4% increase C. No change D. 20% decrease 相关知识点: 试题来源: 解析 A。设这个数为 x,增加 20%后变为 1.2x,再减少 20%变为 1.2x×0.8 = 0.96x,所以相比原来减少了 4%。反馈 收藏 ...
If a number is increased by 20% and then decreased by 20%, the final number is what percentage of the original number? A. 96% B. 100% C. 104% D. 120% 相关知识点: 试题来源: 解析 A。本题考查数学推理中的百分比变化。设原数为 100,增加 20%后变为 120,再减少 20%,即 120 的 20...
If a number is increased by 20% and then decreased by 20%, what is the result compared to the original number? A. Same as the original number. B. Less than the original number. C. More than the original number. D. Cannot be determined. ...
If a number is increased by 20% and then decreased by 20%, what is the overall change? A. No change B. 4% decrease C. 4% increase D. 20% decrease 相关知识点: 试题来源: 解析 B。设这个数为 100,增加 20%后变为 120,再减少 20%,120×(1 - 20%) = 96,(100 - 96)÷100 = 4...
If a number is increased by 20% and then decreased by 20%, what is the result compared to the original number? A. The same B. 4% less C. 4% more D. 20% less 相关知识点: 试题来源: 解析 B。解析:设原数为 x,增加 20%后变为 1.2x,再减少 20%变为 1.2x×0.8 = 0.96x,比原数...
If a number is increased by 20% and then decreased by 20%, what is the overall change? A. Decreased by 4% B. Increased by 4% C. No change D. Decreased by 20% 相关知识点: 试题来源: 解析 A。解析:设这个数为 100,增加 20%后是 120,再减少 20%是 120 乘以(1 - 20%)等于 96,...
If a increased by 20% of a results in b, then a + (20% of a) = b, a +0.2a =b, 1.2a = b. When b is decreased by 33(1/3)% of b, the result is c, so b - (1/3)b = (2/3)b = c. Since c = (2/3)b = (2/3)(1.2a) = 0.80a, then c is 80% of a...
When a number is increased by 20, It becomes 116% of itself.What is th... 01:08 Two numbers are 50% and 75% lesser than a third number. By how much pe... 01:24 Price of petrol increased from Rs. 60/liter to Rs. 75/liter. How much ... 02:06 A train has to cover a di...
百度试题 结果1 题目 Four times a number increased by 20 is the same as five times the number increased by9. Find the number. 相关知识点: 试题来源: 解析 11 11 反馈 收藏
结果1 题目 A number is increased by 25% and the resulting number is then decreased by 20%. The final number iswhat percent of the original number? A. 90% B. 95% C. 100% D. 105% E. 120% 相关知识点: 试题来源: 解析 C 反馈 收藏 ...