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Class 11 Mathematics Chapter 14 Mathematical Reasoning Quiz 21 (25 MCQs)

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1. What is the smallest natural number that should be added to 1225 such that a remainder of 3 is left when the resulting number is divided by each of the numbers 12, 18, 21 and 28?
2. Given:If I get an A on my test then my mom will buy me a TV.I got a 94 on my test.what conclusion can be made.
3. ..... straight angle is 180 degrees.
4. Roll a fair dice. Then flip a coin. What's the probability of rolling a 3 or greater, and then flipping a heads?
5. R is a relation on set N of natural numbers Defined byR = \{ (a, b):b = a + 1, a, b < 7 \}.
6. What is 11, 324 rounded to the nearest thousand?
7. People with logical-mathematical intelligence enjoy:
8. What is the main focus of the task 'Identify the Mathematical Language'?
9. The number of diagonals that can be drawn by joining the vertices of an octagon is
10. In a box of sweets $^{1}$/$_{2}$ of the sweets are gold. The rest are purple.What is the ratio of gold sweets to purple sweets?
11. ..... rhombuses are quadrilaterals.
12. 51 is a prime number
13. If (R) boys have 25 dollars less than the girls, who have 76 dollars, how much is R worth?
14. :Melody needs to calculate her monthly water bill. Her family used 18, 900 gallons at a rate of $ 1.12 per hundred gallons. There is also a monthly account fee of $ 5.90 per household. What is her total bill?
15. 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?
16. The contrapositive of "if p then q" is
17. ..... squares are regular quadrilaterals.
18. The graph of a linear inequality represents
19. Which of the following is not a statement?
20. Mrs. Brown wants to assign eight homework problems to her Algebra 1 class tonight. If there are eleven problems she could choose from, how many different homework sets could she assign?
21. A computer chip is designed to be 3.2 cm long, but the actual manufactured length can beup to 0.015 cm larger or smaller than the designed length. Which of the following lengths, in centimeters, of manufactured chips would be acceptable?
22. If three numbers are in the ratio of 4:3:8 and the smallest of these numbers is 42, find the largest of these numbers.
23. Betsy made cupcakes to bring to work. After the Science Department ate 2/7 and the Math Department ate 18/7, she had 1/7 left. How many cupcakes did Betsy make?
24. Solve:5/8-1 /2
25. Dana works four 10-hour days during the week and is off every Friday. If the first Friday ofthe month falls on the 3rd, which of the following dates during that month will also be aFriday?
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