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Which of the following is the appropriate unit of measure to express the weight of a knife?

A. Liter

B. Milliliter

C. Gram

D. Kilogram

Answer Explanation:

The weight of the knife could be appropriately expressed in grams. Since a knife is a small object, we do not expect to measure its weight in kilograms. Liter and milliliter are units of measuring the volume of objects.

Therefore, the Correct Answer is C.

More Questions on TEAS 7 Math

  • Q #1: Simplify the expression below. Which of the following is correct? \(\frac{[3 (2 + 6 \ast 4)]}{(26 \div 2)}\)  

    A. 6

    B. 8

    C. 12

    D. 9

    Answer Explanation

    We follow the order of operations to solve the given expression.

    First, we start with the numerator and solve it as follows

    [3(2+6*4)]

    We start with multiplication in inner brackets, 6*4=24. The expression becomes

    [3(2+24)]

    Then, we conduct the addition of 2+24=26. Then, the expression becomes

    [3(26)]=3*26=78

    Now, we solve for denominator, which is 26/2=13.

    Thus, the expression is reduced into

    \(\frac{[3(2+6\ast4)]}{(26\div2)}=\frac{78}{13}=6\)

    The expression reduces into 6.

  • Q #2: A teacher has asked all the students in the class which days of the week they read after 9 pm. which of the following is the best way to display the percent of number of students for each day of the week?

    A. Histogram

    B. Pie graph

    C. Scatter plot

    D. Bar graph

    Answer Explanation

    A histogram depicts the frequency of a one variable over the other while a bar graph is used to compare two variables with vertical axis representing the heights. Therefore, a histogram will be used to represent percent of the number of students reading after 9.

  • Q #3: A baker is using a cookie recipe that calls for 3 ¼ cups of flour to yield 64 cookies. How much flour will the baker need to make 130 cookies using the same recipe?

    A. 6 77/128 cups

    B. 5 5/128 cups

    C. 10 1/28 cups

    D. 4 81/128 cups

    Answer Explanation

    we are asked to find the number of cups of flour that will be used to make 130 cookies.

    First, we convert 3 ¼ into improper fraction as:

    Letting x to be the number of cups of flour, we set up a proportion equation with number of cookies on numerator and number of cups of flour on the denominator becomes:

    Solve the value of x by cross-products

    Dividing both sides by 64, the above equation result to

    Thus, the number of cups of flour needed to make 130 cookies is 845/128 cups, which is equal to 6 77/128 cups.

  • Q #4: A bag contains two green balls, three red balls, and seven yellow balls. If one ball is randomly selected from the ball, which of the following is the probability that the ball is yellow?

    A. 7/12

    B. ¼

    C. ½

    D. 1/6

    Answer Explanation

    The probability of finding the probability of a yellow ball is given by

    Total number of balls in the bag=2+3+7=12 balls

    The probability of drawing a yellow ball from the bag is 7/12.

  • Q #5: Three friends are sharing a pizza. One friend eats half of the pizza. The other two friends equally divide the rest among themselves. What portion of the pizza did each of the other two friends receive?

    A. 1/6

    B. 1/3

    C. ¼

    D. 1/5

    Answer Explanation

     we need to find the portion of pizza shared by two other friends.

    We know that a whole pizza represents 1 and one friend eats half of it. So, the remaining amount left to other two friends is

    Remaining fraction of the pizza=1-1/2=1/2

    Now, the two friends share ½ amongst themselves equally. Then, each friend gets

    The two friends each gets 1/4 of the pizza.

  • Q #6: A circle has an area of 64π in2. Which of the following is the circumference of the circle in terms of pi ( π)?

    A. 9 π in

    B. 16 π in

    C. 4 π in

    D. 8 π in

    Answer Explanation

     we need determine the radius of the circle before we can find the circumference of the circle from the given area.

    Let r be the radius of the circle, then

    Substituting the value of area

    Dividing both sides by pi and taking square root on both sides yields

    Now, the radius of the circle is 8 in. and the circumference of the circle is given by the relation:

  • Q #7: A child has a bottle full of pennies, nickels, dimes, and quarters. There are six as many quarters as pennies, two times as many as nickels as pennies, and 5 times as many dimes as nickels. How many more dimes does the child have than nickels?

    A. 4 times as many

    B. 5 times as many

    C. 20 times as many

    D. 10 times as many

    Answer Explanation

     In this problem, we need to compare the number of dimes to quarters.

    If we let p be number of pennies in the bottle. Then,

    Number of quarters in the bottle = 6p

    Number of nickels in the bottle = 2p

    Number of dimes in the bottle =5(2p)=10p

    Now relating dimes to nickels, we have

    Thus, there are 5 times as many dimes as quarters in the box.

  • Q #8: A bucket containing 5 2/5 gallons of water is 2/7 full. How many gallons of water is in one fully filled bucket?

    A. 14/15

    B. 2 7/15

    C. 8 4/5

    D. 18 9/10

    Answer Explanation

    we are asked to find the number of gallons a full tank can hold. A full tank is equivalent to 1.

    Convert the mixed fraction into proper fraction as follows

    If we let x be the number of gallons in full tank, and setting up the proportion equation with the number of gallons on the numerator and fraction of tank on denominator as follows.

    Cross-multiply to find the value of x.

    Converting 189/10 to a mixed fraction is 18 9/10. Thus, when the tank is full, it holds 18 9/10 gallons of water.

  • Q #9: A pharmaceutical company’s stock price was $33.65 on Monday. On Tuesday, the price went up $1.23. On Wednesday, the price decreased from Tuesday’s price by $0.97. On Thursday, the price went up $2.75 from Wednesday’s price. Which of the following was the final price on Thursday?

    A. $33.65

    B. $33.91

    C. $34.88

    D. $36.66

    Answer Explanation

    The final price of the stock on Thursday can be found by finding the price on the previous day taking into account the price changes as follows.

    The price of the stock on Monday was $33.65

    On Tuesday the price of the stock went up by $1.23 from Monday’s price. Then, Tuesday’s price was $(33.65+1.23)=$34.88

    The price of the stock on Wednesday decreased by $0.97 from Tuesday’s price. The price on Wednesday became $(34.88-0.97)=$33.91

    Thursday’s price increased by $2.75 from Wednesday’s price, which was $(33.91+2.75)=$36.66

    Therefore, the final price of the stock on Thursday was $36.66.

  • Q #10: Which of the following is an appropriate unit of measure to express the length of a door?

    A. Liters

    B. Kilometers

    C. Millimeters

    D. Meters

    Answer Explanation

    The length of the door could be appropriately measured in meters. Kilometers are used to measure long distances while millimeters could be used to measure the length of very small objects. However, liters are used to measure the volume of liquids or objects.