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Wrong Number Series Quiz For Upcoming Exams Answers

Answers :

(11)
(d) 19 + 7² = 19 + 49 = 66
68 + 6² = 68 + 36 = 104 [102] 104 + 5² = 104 + 25 = 129
129 + 4² = 129 + 16 = 145
145 + 3² = 145 + 9 = 154

(12)
(e) The pattern of the number series is :
2 × 3 = 6
6 × 2.5 = 15
15 × 2 = 30
30 × 1.5 = 45
45 × 1 = 45 [43.5] 45 × 0.5 = 22.5

(13)
(c) The pattern is :
20 × 0.5 = 10
10 × 1 = 10 [20] 10 × 1.5 = 15
15 × 2 = 30
30 × 2.5 = 75
75 × 3 = 225

(14)
(e) The pattern is:
29 + 1 × 8 = 27
37 – 2 × 8 = 37 – 16 = 21
21 + 3 × 8 = 21 + 24 =45 [43] 45 – 4 × 8 = 45 – 32 = 13
13 + 5 × 8 = 13 + 40 = 53
53 – 6 × 8 = 53 – 48 = 5

(15)
(c) The pattern is :
4 + 1³ = 5
5 + 2³ = 13
13 + 3³ = 40
40 + 4³ = 104 [105] 104 + 5³ = 229
229 + 6³ = 445

(16)
(d) The pattern of the number of series is:
3 × 1 + 2 = 5
5 × 2 + 3 = 13
13 × 3 + 4 = 43
43 × 4 + 5 = 177 [176] 177 × 5 + 6 = 891

(17)
(d) The pattern is :
39 + 2² = 39 + 4 = 43
43 + 2 ³ = 43 + 8 = 51
51 + 3² = 51 + 9 = 60
60 + 3³ = 60 + 9 = 69
87 + 4² = 87 + 16 =
103 [110] 103 + 4³ = 103 + 64 = 167

(18)
(e) The pattern is :
3 × 1 + 1² = 3 + 1 = 4
4 × 2 + 2² = 8 + 4 = 12
12 × 3 + 3² = 36 + 9 = 45
45 × 4 + 4² = 180 + 16
= 196 [198] 196 × 5 + 5² = 980 + 25 = 1005
1005 × 6 + 6² = 6030 + 36 = 6066

(19)
(e) 48 (3/2) = 72; 72 × (3/2)= 108
108 (3/2) = 162; 162 (3/2) = 243
243 (3/2) = 364.5 366

(20)
(a) The pattern is :
5531 – 5506 = 25 = 5²
5555 – 5506 = 49 = 7²
5506 – 5425 = 81 = 9²
5425 – 5304 = 121 = 11²
5304 – 5135 = 169 = 13²
5135 – 4910 = 225 = 15²
4910 – 4621 = 289 = 17²
Clearly, 5531 is wrong, which should be substituted
by 5555.

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