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Class 11 Mathematics Chapter 14 Mathematical Reasoning Quiz 5 (25 MCQs)

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1. 36 X 23
2. The LCM of 15x3 y4 and 12x2y5 is:
3. Over time, a leaky faucet can waste many gallons of water. If a faucet drips at a rate of 2ounces per minute, how many gallons of water will be wasted in one week?(1 gallon = 128ounces)
4. Stacey played the same game two times. She scored 36 points in the second game, which is 4 times as many points as she scored in the first game. How many points did Stacey score in the first game?
5. What is the probability of drawing a blue marble from a bag containing 6 red marbles and 12 blue marbles?
6. If 21 typhoons hit the Philippines this year, and 2 of them happened in the last week, how many typhoons happened before this last week?
7. Three unbiased coins are tossed, what is the probability of getting at least 2 tails?
8. What is the first step in the process of inductive reasoning?
9. Round the answer to nearest whole number. $38450\div35$
10. The cost (c) to produce x units of corn and the revenue (r) from selling x units of corn arerepresented by the following functions:c = 100x + 6000r = 500xHow many units of corn must be sold for revenue to equal production cost?
11. In a football game, Carlton scored 79 points and Hawthorn scored 33 points. How many more points did Carlton score than Hawthorn?
12. Marion works Monday, Wednesday, and Friday evenings at the Fairfield FamilyRestaurant. After she received a 5% raise, her take-home pay was $ 120.What was Marion's hourly wage before she received her raise?
13. 12 workers $\rightarrow$ 15 days For 5 days $\rightarrow$?
14. Use the Roster Method to express:the set of the four seasons in the year.
15. Solve for x. 6x+24=96
16. In an alloy of German Silver the ratio of Copper and Zinc was 21:16, while the ratio of Nickel and Zink was 7:24. What was the ratio of Copper, Zink and Nickel in the alloy?
17. Find the missing number in the sequence:5, 10, 20, ..... , 50
18. Identify the rule used in each of the following arguments:A1:The number x is a prime number and is also even.Conclusion:The number x is a prime number.
19. In an alloy of German Silver the ratio of Copper and Zinc was 19:6 while the ratio of Nickel and Zinc was 7:4. Then what was the ratio of Copper, Zinc and Nickel?
20. The more we know about numbers (like place value and related facts), the easier it is to work with them. This will help us becoming better in math and understanding our world better.
21. If x=-5, x is a root of x$^{2 }$-25=0The converse implication is true or false.
22. Find the least number, which when divided by 16, 24, 36 and 54, leaves remainder 12, 20, 32 and 50 respectively?
23. Two 2-digit numbers have a product of 2451. If the product of their units digits is 21 and tens digits is 20, what are the numbers?
24. For a fund raiser, Sandra raised three times as much money as Barbara, and Barbara raised $ 50 more than matt. Together they raised $ 950. How much money did Barbara raised?
25. What is the square root of 64?
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