Find the next number in the following series.
1) 76 , 43 , 13, ?
1)3
2)4
3)11
4)6
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Answer 2)4
(7×6)+1=43, (1×3)+1=4
2)960 , 240 , 480 , 120 , 240 , ?
1)80
2)120
3)60
4)480
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Answer 3)60
960/4=240×2=480.. so on
3) 21 , 25 , 41 , 77 , ?
1)114
2)174
3)124
4)141
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Answer 4)141
4)65 , 77 , 53 , 89 , 41, ?
1)105
2)148
3)203
4)101
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Answer 4)101
65+12=77; 77-24=53….41+60=101
5)16, 17, 13, 22 , ?
1))15
2)6
3)12
4)29
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Answer 2)6
16+1^2 = 16+1 = 17
17-2^2 = 17-4 = 13
13+3^2 = 13+9 = 22.. so on
6)15, 14, 24, 63, ?
1)236
2)263
3)326
4)336
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Answer 1)236
15*1 -1^2 = 15-1 = 14
14*2-2^2 = 28 – 4 = 24.. so on
7)3450, 3329, 3248, 3199, ?
1)3174
2)3432
3)3471
4)3147
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Answer 1)3174
3450-11^2 = 3450 – 121 =3329
3329-9^2 = 3329-81 = 3248
3248-7^2 = 3248 – 49 = 3199
3199-5^2 = 3199-25 = 3174
8) 23, 29, 46, 156, ?
1)607
2)600
3)591
4)584
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Answer 2)600
23*1+6 = 29
29*2-12 = 46
46*3+18 = 156
156*4-24 = 600
9)57, 59.5, 54.5, 47, 57, ?
1)44.5
2)31.5
3)65.5
4)55.5
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Answer 1)44.5
57+2.5 = 59.5
59.5 – 5 = 54.5
54.5-7.5 = 47
47+10 = 57
57-12.5 = 44.5
10)125, 132, 147, 178, ?
1)212
2)233
3)324
4)302
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Answer B)233
125+7 = 132
132+15 = 147……….(7+8=15)
147+31 = 178……….(15+16= 31)
178+55 = 233………..(31+24 = 55)
