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# Solution to the Quiz

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1) c

5 x 1+1 = 6
6 x 2+2 = 14
14 x 3+3 = 45
45 x 4 +4 = 184

2) d

16 x 0.5 +1 = 9
9 x 1 + 1 = 10
10 x 1.5 + 1 = 16
16 x 2 + 1 = 33
33 x 2.5 + 1 = 83.5

3) b

3     6      17       44     95
…..3      11     27      51
………8      16     24      32

So, 32+51+95 = 178

4) d

15      24      49      98     179
……9       25       49     81       121
So, 121+179 = 300

5) d

65    74       56       92      20
…..+9    -18     +36     -72     +144
So, 144 + 20 = 164

6) c

22 x 0.5 – 1 = 10
10 x 1 (double of 0.5) – 2 (double of 1) = 8
8 x 2 – 4 = 12
12 x 4 – 8 = 40
40 x 8 – 16 = 304

7) d

6 x 2 + 2 = 14
14 x 3 – 3 = 39
39 x 4 + 4 = 160
160 x 5 – 5 = 795
795 x 6 + 6 = 4776

8) a

25 + 22 = 29
29 – 32 = 20
20 + 42 = 36
36 – 52 = 11
11 + 62 = 11 + 36 = 47

9) b

18      23      36      56      82      113
…….+5    +13    +20   +26    +31
………..+8      +7     +6       +5

10) d

13 x 2 – 5 = 21
21 x 2 – 5 = 37
37 x 2 – 5 = 69
69 x 2 – 5 = 133

133 x 2 – 5 = 261

11)  c
1 x 2 + 18 = 20
20 x 2 + 18 = 58
58 x 2 + 18 = 134
134 x 2 + 18 = 286
286 x 2 + 18 = 590

12) c
8 x 1 – 1 = 7
7 x 2 – 1 = 13
13 x 3 – 1 = 38
38 x 4 – 1 = 151
151 x 5 – 1 = 754

13) b
2048/ 1 = 2048
2048/ 2 = 1024
1024/ 4 = 256
256 / 8  = 32

14) a
9 x 0.5 + 0.5 = 5
5 x 1 + 1 = 6
6 x 1.5 + 1.5 = 10.5
10.5 x 2 + 2 = 23
23 x 2.5 + 2.5 = 60

15) c
16    20     26     34       ?     56
……4       6       8       10   12

So, 34 + 10 = 44

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