Reasoning Aptitude
NUMBER SERIES COMPLETION MCQs
Total Questions : 501
| Page 46 of 51 pages
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 D. -> 35
The given sequence is a combination of two series:I. 0, 3, 8, 15, 24, ? andII. 2, 5, 10, 17, 26The pattern in each one of I and II is + 3, + 5, + 7, + 9,..............So, missing term = 24 + 11 = 35
The given sequence is a combination of two series:I. 0, 3, 8, 15, 24, ? andII. 2, 5, 10, 17, 26The pattern in each one of I and II is + 3, + 5, + 7, + 9,..............So, missing term = 24 + 11 = 35
Answer: Option C. -> 7/13
The sequence in the numerators is + 2, + 3, + 4, + 5 and that in the denominators is + 4, + 6, + 8, + 10So, the numerator of the missing fraction should be (4 + 3)i.e., 7 and the denominator should be (7 + 6)i.e., 13. Thus, the missing term is 7/13 .
The sequence in the numerators is + 2, + 3, + 4, + 5 and that in the denominators is + 4, + 6, + 8, + 10So, the numerator of the missing fraction should be (4 + 3)i.e., 7 and the denominator should be (7 + 6)i.e., 13. Thus, the missing term is 7/13 .
Answer: Option B. -> 9th
Clearly, 5 × 2 = 10, 10 × 2 =20, 20 × 2 = 40,.............................So, the series is G.P. in which a = 5 and r = 2.Let 1280 be the nth term of the series.Then, 5 × 2n - 1= 1280 ⇔2n - 1= 256 = 28 ⇔ n - 1 = 8 ⇔ n = 9
Clearly, 5 × 2 = 10, 10 × 2 =20, 20 × 2 = 40,.............................So, the series is G.P. in which a = 5 and r = 2.Let 1280 be the nth term of the series.Then, 5 × 2n - 1= 1280 ⇔2n - 1= 256 = 28 ⇔ n - 1 = 8 ⇔ n = 9
Answer: Option C. -> 1113
The term of the given series are numbers formed by joining together consecutive odd numbers in order i.e., 1 and 3, 3 and 5, 5 and 7, 7 and 9, 9 and 11...................So, missing term = number formed by joining 11 and 13 = 1113
The term of the given series are numbers formed by joining together consecutive odd numbers in order i.e., 1 and 3, 3 and 5, 5 and 7, 7 and 9, 9 and 11...................So, missing term = number formed by joining 11 and 13 = 1113
Answer: Option D. -> 218
The given series is a triangular pattern series.So, we have
3 10 29 66 127 ?
7 19 37 61
12 18 24
6 6
So, missing term = 127 + (61 + 24 + 6)= 127 + 91= 218
The given series is a triangular pattern series.So, we have
3 10 29 66 127 ?
7 19 37 61
12 18 24
6 6
So, missing term = 127 + (61 + 24 + 6)= 127 + 91= 218
Answer: Option C. -> 252
The given series is a triangular pattern series.So, we have
2 12 36 80 150 ?
10 24 44 70
14 20 26
6 6
So, missing term = 150 + (70 + 26 + 6)= 150 + 102= 252
The given series is a triangular pattern series.So, we have
2 12 36 80 150 ?
10 24 44 70
14 20 26
6 6
So, missing term = 150 + (70 + 26 + 6)= 150 + 102= 252
Answer: Option C. -> 125
The given sequence is a combination of two series:I. 625, 125, 25, 5 andII. 5, 25, ?The pattern is ÷ 5, while that in II is × 5.So, missing term = 25 × 5 = 125
The given sequence is a combination of two series:I. 625, 125, 25, 5 andII. 5, 25, ?The pattern is ÷ 5, while that in II is × 5.So, missing term = 25 × 5 = 125
Answer: Option A. -> 256
The given series consists of cubes of natural numbers only. 256 is not the cube of any natural number.
The given series consists of cubes of natural numbers only. 256 is not the cube of any natural number.
Answer: Option A. -> 101
The pattern is - 1, × 10 + 1, - 1, × 10 + 1, - 1, × 10 +1, ....So, the missing term = 10 × 10 + 1 = 101
The pattern is - 1, × 10 + 1, - 1, × 10 + 1, - 1, × 10 +1, ....So, the missing term = 10 × 10 + 1 = 101
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