A number is increased by 5 and the result is 15. What is the original number? A. 10 B. 11 C. 12 D. 13 相关知识点: 试题来源: 解析 A。设原数为 x,x + 5 = 15,解得 x = 10。B 选项 11 不符合;C 选项 12 不符合;D 选项 13 不符合。
百度试题 结果1 题目 (8) A number is increased by 5, then multiplied by 5, then reduced by 5,and finally divided by 5. The result is 5. The number is ( 1 ). 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
直低林程果北去给华想交这离金解界思直低林程果北去给华想交这离金解界思If a number is increased by 5 and the result is 12.
Profitability is increased when the number of cycles per unit time is increased.怎么译?(液 2016-11-18 When 49 is divide by a certain number,the remainder is 1.List all the possible values of 2017-10-03 when the number w is multiplied by 4,the result is the same as when 4 is...
If a number is doubled and then increased by five. The result is twenty-five. What is the number? A. Ten B. Fifteen C. Twenty D. Twenty-five 相关知识点: 试题来源: 解析 A。设这个数是 x,2x + 5 = 25,2x = 20,x = 10。选项 A 是十,正确。选项 B 是十五,错误。选项 C 是二十...
A number is increased by 50% and the result is 150. What was the original number? A. 100 B. 120 C. 130 D. 140 相关知识点: 试题来源: 解析 A。解析:设原来的数为x,增加50%后的数就是x加上50%x,即x+0.5x = 1.5x。已知结果是150,那么1.5x = 150,x就等于150除以1.5,得到100,所以选...
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...
However, if wages increased by 2%, and we had an inflation rate of 3%, your real wages would be -1%. Prices had risen faster than wages, meaning you were worse off. 实际工资(real-wages)是指劳动者用名义工资(nominal wages)所能购买到的生活资料和取得的劳务的数量,它较确切地反映了劳动者的...
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...
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,相比原来减少了 4,减少的百分比是 4 除以 100 等于 4%。反馈...