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Mathematical Reasoning Quiz 11 (30 MCQs)

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1. Write the contrapositive of the given if-then statement:If a triangle is equilateral, then it is isosceles.
2. Check whether the compound statement is true or false:A square is a quadrilateral and its four sides are equal
3. Find the value of x in the equation:3(x + 4) = 27
4. A team set a goal of winning 28 out of the 40 games it would play. Of the first 10 games the team played, it won only 4. How many of the REMAINING games must the team win to reach its original goal?
5. Identify the rule used in each of the following arguments:$A1:\ \left[P\ \oplus\ Q\right]\ \rightarrow\ \left[R\ \wedge\ S\right]$ $A2:\ \neg\left[R\ \wedge\ S\right]$ $Conclusion:\ \neg\left[P\ \oplus\ Q\right]$
6. What is your height?Determine whether is a statement or not.
7. It takes Brian 1 hour and 20 minutes to drive to school. At what time should he leave hometo be at school at 10 P.M.?
8. Which of the following elements can be added to the data set {3, 4, 4, 4, 5, 5, 5, 6, 6, 7}so that its mode(s) remain unchanged?I:3II:5III:7
9. Have a look at the series:12, 14, 16, 18, 20, ..... What number should come next?
10. Which type of graphs can be straight line graphs?
11. What is the cube root of 3?
12. A teacher has 12 pieces of candy for each of his 20 students. However, 5 students do notwant any. If all the candy is distributed evenly to the remaining students, how many pieceswill each receive?
13. What is the median value of $ 268, $ 1, 258, $ 654, $ 1, 258, $ 900, $ 1, 558, and $ 852?
14. A shipment of 84 cell phones was sent in two types of boxes. Some boxes contained 6phones and others contained 8 phones. An equal number of each type of box was used. How many of each type of box was used?
15. Rangers at Lee Lake stocked the lake yesterday with a total of 83, 000 fish. 6, 031 of the fish weretrout and the rest were catfish. How many of the fish were catfish?
16. Debra's job description allocates her time among her tasks as shown in the graph at theleft.If Debra works 40 hours this week, how many of those hours should be spent on customerservice?
17. A rectangle has a length of 10 cm and a width of 5 cm. What is the perimeter of the rectangle?
18. The Nature Center has a collection of snakes. The redbelly snake in the collection is 9 inches long. The eastern ribbon snake is 21 inches long. How much longer is the eastern ribbon snake than the redbelly snake?
19. Tun Mahathir is also known as the "Father of Independence" .
20. A sandwich shop offers customers a book of coupons that will allow them to purchase 8sandwiches for $ 2 each after purchasing 10 sandwiches at the regular price of $ 6 each.What is the total amount, in dollars, that a customer would pay for purchasing all 18 sandwiches with this offer?
21. Conditional:If it does not rain today, then we will have practice. What is this statement called:If it rains today, then we will not have practice.
22. Fifteen percent of the workers at Titan Industries earn minimum wage. If 24 workers earn minimum wage, how many workers are there at Titan Industries?
23. Statement or Not Statement:7 is a prime number.
24. The relation that is represented by the equation y = 20-2x has the domain {3, 4, 5, 6}. Which of the following sets is the range of the relation?
25. A jar holds 16 ounces of honey. A cook is going to make two recipes. One of the recipes calls for 2.5 ounces of honey, and the other calls for 4.25 ounces of honey. After the cook has made those two recipes, how many ounces of honey will be left in the jar?
26. Which of the following is the decimal point value of the dot on the number line?
27. ..... plants need water.
28. Is 12 is divisible by 2?
29. Five items were purchased for a total of $ 52.50. The three least expensive items cost$ 3.40, $ 7.90, and $ 9.80, respectively.What was the cost of the most expensive of the 5 items?
30. You are in charge of ordering office supplies and need new ball-point pens. You need to order 600 pens, which come in boxes of one dozen each. How many boxes should you order?
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