Percentages MCQs with Answers

What is $20\%$ of $250$?

• A.$100$
• B.$25$
• C.$75$
• D.$50$

If the price of an item decreases by $60\%$, how much more quantity can be bought for the same amount of money?

• A.$60\%$ more
• B.$100\%$ more
• C.$150\%$ more
• D.$250\%$ more

What is $5.2\%$ of $500$?

• A.$26$
• B.$2.6$
• C.$260$
• D.$0.26$

Past Paper MCQ

70% of the students in a school are boys and the number of girls is 504. Find the number of boys in the school.

• A.$1176$
• B.$1200$
• C.$1080$
• D.$1260$

30% of a number is 21. What percent of the number is 49?

• A.$60\%$
• B.$70\%$
• C.$80\%$
• D.$90\%$

In January, 55% of a hospital's 300 patients were women. In February, 30% of its 440 patients were women. What was the percent change in the number of women patients from January to February?

• A.Increase of 20%
• B.Decrease of 25%
• C.Decrease of 20%
• D.Increase of 25%

If the percentage uncertainties in force ($F$) and area ($A$) are $2\%$ and $5\%$ respectively, then what will be the percentage uncertainty in pressure ($P$) exerted by the force on the area?

• A.$3\%$
• B.$7\%$
• C.$10\%$
• D.$2.5\%$

Heating $24.8\,\text{g}$ of copper carbonate ($\text{CuCO}_3$) in a crucible produced only $13.9\,\text{g}$ of copper oxide ($\text{CuO}$). What is the percentage yield of copper oxide?

• A.$86.87\%$
• B.$56.05\%$
• C.$78.23\%$
• D.$92.50\%$

Past Paper MCQ

$175\%$ of a number is $49$. Find the number.

• A.$36$
• B.$32$
• C.$28$
• D.$24$

Past Paper MCQ

If $45\%$ of the total students in a school is $135$, then what is the total number of students?

• A.$250$
• B.$300$
• C.$350$
• D.$400$