Series MCQ

Test your knowledge with important Series MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Series MCQs at Bissoy

• There are 5 terms a, b, c, d and e in a series. A = 4b, b = 7c, c = 2d, d = half of e and e = 12. Find the ratio of the series.
  ক

  56 : 14 : 2 : 1 : 1

  খ

  56 : 2 : 14 : 1 : 2

  গ

  56 : 14 : 2 : 1 : 1

  ঘ

  56 : 14 : 2 : 1 : 2
• There are 3 terms in a series if the first term is twice as the third term and the second term is half as of the third term, find the ratio of the series.
  ক

  1 : 2 : 4

  খ

  4 : 2 : 1

  গ

  1 : 4 : 2

  ঘ

  4 : 1 : 2
• The first three terms of a series are increased by 50% and the last 3 terms of the series are decreased by 50%. If the series so formed is 33, 42, 48, 50, 55, 60, find the ratio of the initial series.
  ক

  12 : 15 : 17 : 50 : 55 : 60

  খ

  11 : 14 : 16 : 50 : 55 : 60

  গ

  10 : 13 : 15 : 50 : 55 : 60

  ঘ

  9 : 12 : 14 : 50 : 55 : 60
• A series of 5 terms is 23, 34, 45, 56, 67. If each term is increased by 7 and then decreased by 57% find the ratio of the series then formed.
  ক

  29 : 30 : 41 : 52 : 63

  খ

  30 : 41 : 52 : 63 : 74

  গ

  28 : 39 : 40 : 51 : 62

  ঘ

  33 : 44 : 55 : 66 : 77
• A series of 4 digits with the terms 55, 66, 77 and 88 is first arranged in descending order and increased in the following way 20%, 40%, 60% and 120%. Find the ratio of the new series formed.
  ক

  48 : 48 : 49 : 55

  খ

  49 : 49 : 48 : 55

  গ

  48 : 49 : 48 : 55

  ঘ

  49 : 48 : 49 : 55
• There are 5 terms in a series 94, 85, 81, 80, 90. If the first two numbers are increased by 20 and the last two numbers are increased by 20%, find the ratio of the terms of the series then formed.
  ক

  38 : 27 : 35 : 36 : 32

  খ

  38 : 35 : 27 : 32 : 36

  গ

  39 : 35 : 32 : 39 : 34

  ঘ

  39 : 34 : 35 : 27 : 29
• 6 terms if a series are in a ratio 4 : 5 : 6 : 7 : 8 : 9. If the difference between the first and the last term is 15 and each term is increased by 12, find the new ratio of the series.
  ক

  6 : 7 : 8 : 9 : 10 : 11

  খ

  7 : 8 : 9 : 10 : 11 : 12

  গ

  8 : 9 : 10 : 11 : 12 : 13

  ঘ

  9 : 10 : 11 : 12 : 13 : 14
• The ratio of a series of 5 numbers is 4 : 5 : 6 : 7 : 8. Find the new ratio if each number is increased by 60%.
  ক

  5 : 6 : 7 : 8 : 9

  খ

  4 : 5 : 6 : 7 : 8

  গ

  3 : 4 : 5 : 6 : 7

  ঘ

  2 : 3 : 4 : 5 : 6
• 4 numbers are in a ratio 1 : 2 : 3 : 4. The numbers are increased by 40%, 30%, 20% and 10% respectively. Find the new ratio.
  ক

  4 : 3 : 2 : 1

  খ

  1 : 2 : 3 : 4

  গ

  7 : 13 : 18 : 22

  ঘ

  22 : 18 : 13 : 7
• 5 numbers a, b, c, d and e are in a ratio 11 : 18 : 24 : 17 : 29. A new ratio is formed with the values 20% of a, 45% of b, 80% of c, 50% of d and 40% of e. Arrange the new ratio in ascending order and select the option with the correct variable in the correct form.
  ক

  a : b : c : d : e

  খ

  a : b : e : d : c

  গ

  a : b : d : e : c

  ঘ

  a : c : e : d : b
• Which of the following is not a series?
  ক

  Arithmetic series

  খ

  Geometric series

  গ

  Isometric series

  ঘ

  Harmonic series
• Find the sum of first 5 terms of series 2+4+6+………………
  ক

  14

  খ

  16

  গ

  20

  ঘ

  30
• Find sum of series 2+3+5+7.
  ক

  5

  খ

  10

  গ

  17

  ঘ

  infinite
• 1+2+3+4 or 10 is a series?
  ক

  1+2+3+4 only

  খ

  10 only

  গ

  1+2+3+4 and 10

  ঘ

  neither 1+2+3+4 nor 10
• A series can also be denoted by symbol ____________
  ক

  π an

  খ

  ∑an

  গ

  Φ an

  ঘ

  θ an
• The sequence is same as series.
  ক

  True

  খ

  False