CBEST Math Questions and Formulas with
100% Correct Answers
Karen's average score for two tests is 90. What score must Karen earn on a third test to
raise her average to 92. - ✔️✔️96
Linda is buying a remnant of fabric that is marked $12.00 but there is a sale at the fabric
store and everything is 30% off. How much will the remnant cost? - ✔️✔️$8.40
If 1 mile is equivalent to 1.6 km, them 10 km is equivalent to... - ✔️✔️6.25
There are 16 ounces in 1 pound. If 30 ounces of coffee beans are removed from a 5-
pound bag of coffee beans, the new weight of the bag of coffee beans is... - ✔️✔️50
ounces
If you increase the perimeter of a square by 50%, you increase its area by... - ✔️✔️125%
Jane started her stamp collection exactly one year ago, and in that time. She has
collected 132 stamps. On average, how many stamps has she collected per month? -
✔️✔️11 stamps
If Melanie can complete 6 forms in 15 minutes, how long will it take her to complete 30
forms? - ✔️✔️75 minutes
Among 10 playing cards, 2 are spades, 1 is a heart, 3 are diamonds, and the rest are
clubs. What is the probability of randomly selecting a card that is a club? - ✔️✔️2/5
Of 27 animals at the zoo, 15 are monkeys. Which of the following fractions expresses
the ratio of monkeys to all other animals at the zoo? - ✔️✔️5:4
There are 8,751 students in the school district and 832 teachers and administrators.
How many more students are there than teachers and administrators? - ✔️✔️7,919
A teacher assessed the performance of her class of 15 students on a particular
assignment and note the following grades:
{94,71,68,83,80,86,76,86,91,97,88,77,85,70,78} What is the MEDIAN score? - ✔️✔️83
-342+ (-131) +56= - ✔️✔️-417
On a cold winter day, the low temperature was -6 degrees and the high temperature
was 11 degrees. What was the average of the low and high temperatures? - ✔️✔️2.5
degrees
Each of the 24 candies in a box is either chewy or hard. If a candies are chewy , how
many hard candies a lone must be removed from the box in order for it to contain the
same number of hard candies and chewy candies? - ✔️✔️6
The number 5 is what percent of 40? - ✔️✔️12.5%
4 5/6-2 3/4= - ✔️✔️25/12
If Andy receives 20% of the retail price on each of his published books, how much does
he make on a book that retails for $35? - ✔️✔️$7
After surveying her fellow students in the teacher education program. Amber has found
that five out of seven students are planning to become teachers and two out of seven
want to become counselors. If the number of classmates who want to be a teacher is
30, how many want to be counselors? - ✔️✔️12
At a 12% annual interest rate, how much interest is earned on $500 in one year? -
✔️✔️$60
A rectangular plot of land with a length of 150 feet has an area of 12,000 square feet.
The width of the plot is... - ✔️✔️80 feet
2
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