Class 11 Mathematics Chapter 14 Mathematical Reasoning Quiz 8 (25 MCQs)

Quiz Instructions

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1. 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
2. Amy is selling turtles for $ 3.00 and rabbits for $ 5.00. On Monday, she sold 28 animals for $ 110.00. How many turtles and how many were rabbits?(hint:you must write two separate equations to later merge to solve this)
3. In a survey, 60% of people preferred apples over oranges. If 300 people were surveyed, how many preferred apples?
4. If the number of edges of a complete graph can be drawn from n nodes given is 91. What is the value of n?
5. Which figure has exactly one pair of parallel sides?
6. What does 3$^{2}$ mean?
7. Which of the following is the smallest number
8. In March your company had a loss of $ 5600. Due to good sales, April profits were $ 55, 280. How much more did the company earn in April than in March?
9. True or False:Tan 45 degree = 1 or Cos 45 degree = 1
10. Which of these is not a factor of 12?
11. If there have been 30 COP conferences, and they happen every year, how many years have these conferences been happening?
12. Mrs. Hart took two packages to the post office. The larger one weighed 6.1 pounds, and the smaller one weighed 2.8 pounds. About how much more did the larger package weigh than the smaller one?
13. Five tickets to the community theater production have a total cost of less than $ 33. Tentickets cost more than a total of $ 53.Which of the following might be the cost of one ticket?
14. Convert the fraction 3/8 to an equivalent fraction with a denominator of 32. Write your answer in the box.
15. Math is the same all around the world. For example in every country 1+1=2.
16. Write with an exponent:$3\cdot3\cdot3\cdot3\cdot3$
17. What is the solution to the equation 2x = 10?
18. Mirror image of 6:15 $\rightarrow$
19. If FLOWER $\rightarrow$ 76, LEAF $\rightarrow$ 27, then FRUIT $\rightarrow$?
20. Library features its new books on a cart. The new books this month are 12 mystery books, 6 biographies, and 2 poetry collections. If Donald randomly selects a book from the cart, what is the probability that he will select apoetry collection
21. If a two-digit number's units digit is 2 times its tens digit, and the sum of its digits is 9, what is the number?
22. A and B together can finish a work in 12 days. A alone can finish it in 18 days. How many days B alone takes?
23. A box of paper clips fell on the floor. Betty picked up 2/5 of the paper clips and Joanne picked up 3/10. How many of the paper clips did they pick up altogether?
24. Arjun, Sneha, and Eesha are building rectangular prisms with different dimensions. Arjun's prism has dimensions 4 cm, 5 cm, and 7 cm. Sneha's prism has dimensions 3 cm, 6 cm, and 8 cm. Eesha's prism has dimensions 2 cm, 4 cm, and 9 cm. Which prism has the largest volume?
25. As a project manager, you need to allocate resources for a project that is expected to take 120 hours. If you have a team of 4 people working 6 hours a day, how many days will it take to complete the project?