OAR Math Percents
19- Successive discounts of 20% and 15% are equivalent to a single discount of
a. 32%
b. 33%
c. 34%
d. 35% - answerA
20- In order to check on a shipment of 500 articles, a sampling of 50 articles was
carefully inspected. Of the sample, 4 articles were found to be defective. On this basis,
what is the probable percentage of defective articles in the original shipment?
a. 8%
b. 4%
c. .8%
d. .4%
e. .04% - answerA
21- The price of a one-hundred-dollar item after successive discounts of 10% and 15%
is
a. $75.00
b. $75.50
c. $76.00
d. $76.50
e. $77.00 - answerD
22- A certain governmental agency had a budget last year of $1,100,500. Its budget this
year was 7% higher than that of last year. The budget for next year is 8% higher than
this year's budget. Which one of the following is the agency's budget for next year?
a. $1,117,600
b. $1,161,600
c. $1,261,700
d. $1,265,600
e. $1,271,700 - answerE
23- A Navy recruiting station enlisted 560 people. Of these, 25% were under 20 years
old and 35% were 20 to 22 years old. How many of the recruits were over 22 years old?
a. 196
b. 224
19- Successive discounts of 20% and 15% are equivalent to a single discount of
a. 32%
b. 33%
c. 34%
d. 35% - answerA
20- In order to check on a shipment of 500 articles, a sampling of 50 articles was
carefully inspected. Of the sample, 4 articles were found to be defective. On this basis,
what is the probable percentage of defective articles in the original shipment?
a. 8%
b. 4%
c. .8%
d. .4%
e. .04% - answerA
21- The price of a one-hundred-dollar item after successive discounts of 10% and 15%
is
a. $75.00
b. $75.50
c. $76.00
d. $76.50
e. $77.00 - answerD
22- A certain governmental agency had a budget last year of $1,100,500. Its budget this
year was 7% higher than that of last year. The budget for next year is 8% higher than
this year's budget. Which one of the following is the agency's budget for next year?
a. $1,117,600
b. $1,161,600
c. $1,261,700
d. $1,265,600
e. $1,271,700 - answerE
23- A Navy recruiting station enlisted 560 people. Of these, 25% were under 20 years
old and 35% were 20 to 22 years old. How many of the recruits were over 22 years old?
a. 196
b. 224
