GMAT Exam  >  GMAT Notes  >  Quick Questions - Fractions, Decimals, Percents, & Ratios

Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT PDF Download

Section - 1
Ques 1: Convert 45% to a decimal.
Ans:
0.45: 45% becomes 0.45

Ques 2: Convert 0.20 to a percent.
Ans:
20%: 0.20 becomes 20%

Ques 3: Convert 4 /5 to a percent.
Ans: 80%:
Step 1: 4 -s- 5 = 0.8
Step 2: 0.8 becomes 80%

Ques 4: Convert 13.25% to a decimal.
Ans: 
0.1325: 13.25% becomes 0.1325

Ques 5: Convert 6 /2 0 to a percent.
Ans:
30%: Step 1: 6 -s- 20 = 0.30
Step 2: 0.30 becomes 30%

Ques 6: Convert 0.304 to a percent.
Ans:
30.4%: 0.304 becomes 30.4%

Ques 7: Convert 0.02% to a decimal.
Ans: 
0.0002: 0.02% becomes 0.0002

Section - 2 
Simplify the following expressions. Answers in the explanation may appear in more than one form (e.g.,fraction and decimal).
Ques 8: Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT
Ans: 
  Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT Convert percent to fraction because fractions are
Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT   easier to multiply than percents.  
Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT     Simplify before you multiply.
1/4

Ques 9: .2 5 % -0 .1
Ans:
Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT Convert decimal to percent because decimals that end inthe tenths or hundredths digit are easy to convert to percents.
Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT

Ques 10: Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT
Ans
:
 Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT
Multiply by 10/10 to convert decimals to integers.

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FAQs on Quick Questions - Fractions, Decimals, Percents, & Ratios - GMAT

1. What is the difference between a fraction, a decimal, a percent, and a ratio?
Ans. A fraction represents a part of a whole, where the numerator represents the number of parts and the denominator represents the total number of equal parts. A decimal is a way of representing fractions or parts of a whole using a base-10 number system. A percent is a way of expressing a fraction or a decimal out of 100. A ratio is a comparison of two numbers or quantities, usually expressed as a fraction.
2. How can I convert a fraction to a decimal?
Ans. To convert a fraction to a decimal, divide the numerator (the top number) by the denominator (the bottom number). For example, to convert the fraction 3/4 to a decimal, divide 3 by 4, which equals 0.75.
3. How can I convert a decimal to a fraction?
Ans. To convert a decimal to a fraction, identify the place value of the decimal and write it as the numerator. The denominator is based on the number of decimal places. For example, if the decimal is 0.25, the numerator is 25 and the denominator is 100 because there are two decimal places. Simplify the fraction if possible.
4. How do I calculate a percentage?
Ans. To calculate a percentage, divide the part by the whole and multiply the result by 100. For example, if a student answered 35 out of 50 questions correctly on a test, the percentage score is (35/50) * 100 = 70%.
5. How can I simplify a ratio?
Ans. To simplify a ratio, find the greatest common divisor (GCD) of the numerator and denominator. Divide both the numerator and denominator by the GCD to obtain the simplified ratio. For example, if the ratio is 8:12, the GCD is 4. Dividing both 8 and 12 by 4 gives the simplified ratio of 2:3.
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