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Class 11 Mathematics Chapter 14 Mathematical Reasoning Quiz 1 (25 MCQs)

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1. About how many people are in the world if nearly 3.4 billion people do not have clean toilets, and this is almost half of everyone?
2. What is the total percent of a pie or circle graph?
3. Potatoes cost 25 per kg and cauliflowers cost 35 per kg. If david had 500 and he bought 4 kg of each, how much money is left with him?
4. What is the next number in the sequence:3, 6, 12, 24, ..... ?
5. Out of a sum of '9200 some amount was lent at the rate of 5% p.a. and the rest at 8% p.a. both earning simple interest. Total interest received after 3 years was ' 1812. The sum (in ') lent at 5% p.a. was:
6. Find HCF of 15x2+8x-12, 3x2 + x-2, 3x2-2x, 9x2-12x + 4
7. What is the formula for simple interest?
8. An art gallery has 27 paintings for sale, each at a different price. The median price of thepaintings is $ 250.How many of the paintings have a price higher than $ 300?
9. If 1 is subtracted from each odd digit and 1 is added to each even digit in the number 92379654, what will be the sum of the digits which are second from the left and third from the right?
10. If the ratio of three positive number is 3:7:8 and the sum of their squares is 7808, Then find the smallest number among them.
11. Suzy has made a mistake and added 4 teaspoons of baking powder to 5 cups of flour in a recipe that calls for 3 teaspoons of baking soda to 5 cups of flour. In order to not waste the entire batch, she has decided to add flour to get the proper proportion of baking powder to flour. How much flour should she add?
12. Two statement p and q written in the form of 'if p, then q' is known as Quantifiers.
13. 24 id divisible by 4 or 8
14. Pippa had some money. She spent $\frac{1}{3}$ $\frac{1}{2}$
15. If 2 out of 21 typhoons happened in the last week, what percentage of typhoons occurred before the last week?
16. The converse of "if p then q" is
17. Which of the following could be the measures of the three angles of a triangle?
18. The LCM of two numbers is 96, HCF is 12. If one number is 24, find the other.
19. If 4x = 36, find x.
20. 33 < 34 and/dan-6<-7
21. A community is concerned about the high volume of commuter traffic in front of itselementary school between 8:30 A.M. and 9:00 A.M. The numbers of cars that passedwithout dropping off a student during that half hour on consecutive school days are:65, 72, 83, 96, 53, 76, 54, 70, 75, 48, 56.What is the mean (average) of these numbers of cars?
22. A sum of money invested at a certain rate of simple interest per annum amounts to ' 24500 in eight years and to ' 32000 in thirteen years. Find the sum invested.
23. Identify the pattern in the sequence:3, 5, 8, 12, 17, .....
24. Equal, equivalent, both or neither. \{ 200, 201, 202, 203 \} and \{200, 201, 202, 203, 204 \}
25. Which word is used for conjunction?
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