Reasoning Aptitude
SERIES COMPLETION MCQs
Total Questions : 919
| Page 88 of 92 pages
Answer: Option A. -> 49
The given series consists of squares of consecutive prime numbers
i.e. 22, 32, 52,.....,
112, 132, 172, 192.
So, missing term = 72 = 49.
The given series consists of squares of consecutive prime numbers
i.e. 22, 32, 52,.....,
112, 132, 172, 192.
So, missing term = 72 = 49.
Answer: Option D. -> 122
1st number : 6
2nd number : 6 X 2 +1 = 13
3rd number : 13 X 2 + 2 = 28
4th number : 28 X 2 + 3 = 59
therefore
5th number : 59 x 2 + 4 = 122
1st number : 6
2nd number : 6 X 2 +1 = 13
3rd number : 13 X 2 + 2 = 28
4th number : 28 X 2 + 3 = 59
therefore
5th number : 59 x 2 + 4 = 122
Answer: Option A. -> 8
Each term at an even place in the series is the product of its two adjacent terms.
Thus, if the missing term be x, then we have : 7 x x = 56 or x = 56 ÷ 7 = 8.
Each term at an even place in the series is the product of its two adjacent terms.
Thus, if the missing term be x, then we have : 7 x x = 56 or x = 56 ÷ 7 = 8.
Answer: Option C. -> 479
The pattern is x 2 + 1, x 3 + 2, x 4 + 3,.....
So, missing term = 95 x 5 + 4 = 479.
The pattern is x 2 + 1, x 3 + 2, x 4 + 3,.....
So, missing term = 95 x 5 + 4 = 479.
Answer: Option C. -> 203
The pattern is x 2 + 1, x 2 - 1, x 2 + 1, x 2 - 1,.....
So, missing term = 101 x 2 + 1 = 203.
The pattern is x 2 + 1, x 2 - 1, x 2 + 1, x 2 - 1,.....
So, missing term = 101 x 2 + 1 = 203.
Answer: Option B. -> 64
The series consists of squares and cubes of consecutive natural numbers i.e. 12, 13, 22, 23, 32, 33, 42, .....
So, missing term = 43 = 64.
The series consists of squares and cubes of consecutive natural numbers i.e. 12, 13, 22, 23, 32, 33, 42, .....
So, missing term = 43 = 64.
Answer: Option B. -> 25
The pattern is + 1, + 3, + 6,....., i.e. + 1, + (1, + 2), + (1 + 2 + 3),.....
So, missing term = 15 + (1 + 2 + 3 + 4) = 25.
The pattern is + 1, + 3, + 6,....., i.e. + 1, + (1, + 2), + (1 + 2 + 3),.....
So, missing term = 15 + (1 + 2 + 3 + 4) = 25.
Answer: Option B. -> 27
The pattern is x 2, x 3/2, x 2, x 3/2, x 2,.....
So, missing term = 18 x 3/2 = 27.
The pattern is x 2, x 3/2, x 2, x 3/2, x 2,.....
So, missing term = 18 x 3/2 = 27.
Answer: Option C. -> 50
The sum of any three consecutive terms of the series gives the next term.
So, missing number = 8 + 15 + 27 = 50.
The sum of any three consecutive terms of the series gives the next term.
So, missing number = 8 + 15 + 27 = 50.
Answer: Option B. -> 240
The pattern is ÷ 1, ÷ 2, ÷ 3, ÷ 4, ÷ 5.
So, missing term = 240 ÷ 1 = 240.
The pattern is ÷ 1, ÷ 2, ÷ 3, ÷ 4, ÷ 5.
So, missing term = 240 ÷ 1 = 240.
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