0.9
0.82
1
0.95
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Answer : Option C
Explanation :
The pattern is + 0.05, + 0.10, + 0.15,................So, missing term = 0.8 + 0.20 = 1
316
1135
1288
2254
Answer : Option B
The pattern is × 3, + 4, × 5, + 6, × 7,So, missing term = 1127 + 8 =1135
21
25
27
33
The pattern is + 1, + 3, + 6, ............i.e., + 1, + (1 + 2) + (1 + 2 + 3)...............So, missing term = 15 + (1 + 2 +3 +4) = 25
35
45
56
The terms of the given series are (22 - 1), (42 - 1),................,(82 - 1), (102 - 1), (122 - 1)So, missing term = (62 - 1) = (36 - 1) = 35
12
13
14
15
Clearly, the given series consists of prime numbers starting from 2. So, the missing term is the prime number after 11, which is 13.
23
38
39
40
The pattern is + 1, × 1, + 2, × 2, + 3, × 3, + 4, × 4, + 5So, missing term = 13 × 3 = 39
672
386
279
143
Answer : Option D
The pattern is + 84, - 168, + 336, .....i.e., + 84, - (84 × 2), + (84 × 22 ),.................So, missing term = 815 - (84 × 23 ) = 815 - 672 = 143
49
64
81
87
Answer : Option A
The given series consists of squares of consecutive prime numbers i.e., 22 , 32 , 52 ,.....................,112 , 132 , 172 , 192So, missing term = 72 = 49
180
240
420
480
The pattern is ÷ 1, ÷ 2, ÷ 3, ÷ 4, ÷ 5So, missing term = 240 ÷ 1 = 240
100
112
121
144
The series consists of squares of consecutive odd numbers i.e., 12 , 32 , 52 , 72 , 92 ,..............So, missing term = 112 = 121
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