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Practice question-number-series-exams-page11

 Students find number sequencing questions difficult, 

but in reality they are not, it is a matter of proper preparation.

 Practice with selective questions that cover the full range 

of number series problems in competitive exams.

 

 101. Find the missing number


Answer  The pattern is:20+2x8=36 36+3x8=60 60+4x8=92 92+5x8=132 132 +6x8=180

 

102. Find the missing number

 


 

  Answer  The pattern is:259-7x8=203 203-6x8=155 155-5x8=115 115-4x8=83 83-3x8=59

 

103. Find the missing number 

 


  Answer  The pattern is:The pattern is 5+1²=6 6+3²=15 15+5²=40 40+7²=89 89+9²=170

 

104. Find the missing number

 

 


Answer  The pattern is:In this series 5 is added to the previus number. The random number 60 is inserted as every third number.Correct answer is 60

 

105. Find the missing number

 


  Answer  The pattern is:This is an alternating multiplication and subtraction series. First we multiple by 2 and then subtract 8.Correct answer is 28

 


 

 

 

106. Find the missing number

 


  Answer  The pattern is:This is alternating series with two intependent series.First is The perfect squares of 2 ,3,4,5 Second is the perfect cubes of 2, 3,4, 5 Correct answer is 125

 

107. Find the missing number

 


 

  Answer  The pattern is:This is alternating series with two intependent series. First is the perfect cubes of 10, 8, 6, 4 Second is the perfect squares of 20, 18, 16, 14 Correct answer is 64

108. Find the missing number

 


 

  Answer  The pattern is:This is an alternating subtraction series with repetition. There are two different patterns here. In the first, a number repeats itself; then 3 is added to that number to arrive at the next number, which also repeats. This gives the series 15, 15, 18, 18, 21, 21 and so on. Every third number follows a second pattern, in which 3 is subtracted from each number to arrive at the next: 24, 21, 18 Correct answer is 21,21

 

109. Find the missing number

 


  Answer  The pattern is:This is a two stage AP alternating addition and subraction series. The pattern is 80+15=95 +15 95-30=65 -30 65+45=110 +45 110-60=50 -60 50+75=125 +75

 

110. Find the missing number 

 


  Answer  The pattern is:This is a two stage GP series. The differences of the terms are: 624-384=240 384-264=120 264-204=60 204-170=30 The differences form the series 240, 120, 60, 30, ? This is a GP The next number is 15 Therefore the missing number in the given series is 174-15=159

 

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<h2>Complete the number series158</h2>

 Number series for competitive exams Can you complete the following number series?