The sum of the first 12 terms of an AP is 15 and the sum of its first 15 terms is 12, then the sum of its first 27 terms will be __________

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The sum of the first 12 terms of an AP is 15 and the sum of its first 15 terms is 12, then the sum of its first 27 terms will be __________

1.-24

2.24

3.27

4.-27

Posted Date:-2022-05-15 07:25:46

More MCQS Questions and answers

  1. 3 + 2–√ is a/an __________ number.
  2. A – B, A ∩ B and B – A are mutually disjoint sets or not.
  3. A sequence in which each term differs from its preceding term by a constant is called arithmetic progression.
  4. All irrational numbers are real numbers.
  5. An irrational number has ________
  6. Between any consecutive two integers, there are always infinite integers.
  7. By simplifying (3–√+2–√)∗(3–√+2–√), we get __________
  8. By simplifying (7–√+5–√)∗(7–√−5–√), we get __________
  9. By using the properties of rational numbers solve the following equation (8 + 0) + (6 * 3).
  10. Does A-B=B-A always correct?
  11. Every point on the number line represents a unique real number.
  12. Find the incorrect option (Assume conventional notations).
  13. Four numbers whose sum is 40 and sum of their squares is 480. What are the four numbers?
  14. How many real numbers are there between 3 and 8 (Including 3 and 8)?
  15. How many terms are there in the AP 9, 16, 23, 30……………282?
  16. How many terms of the AP 5,10,15,20….. must be added to get a sum of 330?
  17. How many whole numbers are there between -3 and 3 (Including -3 and 3)?
  18. If A-B=B-A then A and B are ____________
  19. If R is the set of real numbers and S is the set of rational numbers, then what is R – S?
  20. If set A = {1,2,3,4} and B = {3,4,5,6}. Find B-A.
  21. If set A={1,2,3,4} and B={3,4,5,6}. Find A-B.
  22. If the first term of an AP is a and its common difference is d then the nth term is given by Tn = a + (n – 1)d
  23. If the sum of first n terms of an AP is given by Sn = 4n2 + 6, then its first term will be _________
  24. If we add or subtract an irrational number and a rational number (non-zero), then we get a/an __________ number.
  25. If we add or subtract two irrational numbers, we get __________ number.
  26. If we add the terms of an AP, then we get a corresponding series.
  27. If we multiply or divide two rational numbers, we get a/an __________
  28. Integer numbers set is denoted by which letter?
  29. Irrational numbers are denoted by _______
  30. π – π is __________ number.
  31. N is subset of W, Z and Q. (Assume conventional notations)
  32. Real numbers are denoted by which letter?
  33. Sequences which follow a definite pattern called progressions.
  34. Summation or Subtraction of rational number and irrational number is always a/an __________ number.
  35. Summation or Subtraction of two non-zero rational numbers is a/an __________
  36. The maximum number of integers between two consecutive natural numbers is ________
  37. The middle term of the AP 11, 8, 5, … , -79 will be?
  38. The product of a rational and an irrational number is rational number.
  39. The product of two irrational numbers is an irrational number.
  40. The sum of 5 numbers in AP is 10 and their product is 80. What are the five numbers?
  41. The sum of 50 + 100 + 150 + 200 + …….. + 1000 is _________
  42. The sum of all 2 – digit numbers divisible by 19 will be __________
  43. The sum of first 20 terms of the AP 10, 12, 14, 16, 18…. is _________
  44. The sum of the first 10 terms of an AP is the same as the sum of its first 5 terms, then the sum of its 15th term will be _______
  45. The sum of the first 12 terms of an AP is 15 and the sum of its first 15 terms is 12, then the sum of its first 27 terms will be __________
  46. The sum of three numbers is 30 and their product 750. What are the three numbers?
  47. The sum of two irrational numbers is a rational number.
  48. The sum of two rational numbers is a rational number.
  49. There are _________ rational numbers between 2 and 3.
  50. What will be the sum of all 3-digit even positive numbers?
  51. What will be the sum of all natural numbers lying between 500 and 5000, which are divisible by 17?
  52. Which of the following is Natural number?
  53. Which of the following is not rational number?
  54. Which of the following option is correct according to the below statements? i) Every rational number is real number. ii) Every real number is rational number.
  55. Which of the following option is true based on the below statements? i) All integers are rational numbers. ii) All rational numbers are integers.
  56. Which of the following type of numbers are closed under only multiplication?
  57. Which term of the AP 2, 11, 20, 29…… is 290?
  58. Which term of the AP 80, 76, 72, 68……. is the first negative term?
  59. Zero is a rational number.
  60. [….., -1, 0, 1, …….] the given set shows which type of numbers?
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