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Business math. prelim exam

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MINDANAO MISSION ACADEMY
Manticao, Misamis Oriental
First Mid-term Exam
BUSINESS MATH-Gold 12
Name: ___________________________________
Score:________________
“Blessed is the man who remains steadfast under trial, for when he has stood the test he will receive the crown of life, which
God has promised to those who love him.” James 1: 10
STRICTLY NO USING OF CALCULATORS
I. True or false: Write True if the statement is correct and False if the statement is wrong.
______1. A whole is always bigger than its parts.
______2. A fraction of something is always equal to a fraction of another something
______3. 8/5 > 7/6
______4. 16/4 < 20/5
______5. 2/3 = 4/7
______6. 4 1/3 is a proper fraction
______7. A prime number is a whole number greater than 1 whose only factors are 1 and itself.
______8. To subtract similar fractions, we subtract the numerators and copy the denominators and
reduced the fraction to lowest term, if needed.
______9. Rate is the part considered in its quantitative relation to the whole.
______10. When we convert fraction to decimal, we simply perform multiplication and then division.
II. Multiple choice: choose the best answer on the choices below. If the answer is not found in the choices, write the correct answer on the space provided in
letter e.
1) 3/5 ÷ 5/8 + [ 3/5 x 2/7]
a. 3/8
b. 21/22
c. 15/40
d. 24/25
e. others_________
c. 1/14
d. 1 1/56
e. others_________
3) [2/8 + 3/8 + 1/8] x [1 1/6 + 5/6 + 2 3/6]
a. 3 7/8
b. 4 5/8
c. 3 3/8
d. 3 5/8
e. others_________
4) [4/5 – 1/3] – [7/9 x 3/5]
a. 3/7
b. 6 1/5
c. 2 2/5
d. 4 3/5
e. others_________
5) [3 1/3 + 2/3 + 2 1/3] x 7/9
a. 3/5
b. 11 2/3
c. 3 1/5
D. 4 5/9
e. others_________
2)
1/8 x 4/7
a. 4/56
b. 14/26
III. Change the following percent to fraction
1) 150%
4) 10%
2) 25%
5) 33 ½%
3) 77.5%
IV. Change the following decimal to fraction.
1) 0.35
5) 1.75
2) 0.165
3) 12.33
4) 0245
“For it is God who works in you to will and to act in order to fulfill his good purpose.” Philippians 2:13
V. Problem Solving: solve the following with complete solution
1) A carpenter can finish a stool in 1¼ hours. If he works 8 hours a day, 5 days a week, how many stools can he
finish in a week’s time?
2) Dr. Roland Lopez bought a dentist’s chair for 30,000. He paid 2/5 of this amount as down payment. His mother
gave him ¼ of the down payment. How much did his mom give him?
3) To compute the gross profit, the formulpa is Gross Sales less Cost of Sales. A company’s gross sale for the month
is 50,000. If 30% is the company’s gross profit, how much gross profit did the company get?
4) An item that originally sells for P25.00 now sells for P30.00. What is the percent of increase/ (decrease)? label the
Percent, rate,
5) Success Corporation, a tractor manufacturing firm, manufactured a total of 60 tractors for the past year. If it sold
75% of its total production, how many tractors remains unsold?
“For it is God who works in you to will and to act in order to fulfill his good purpose.” Philippians 2:13
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