1)67, 68, 64, 73 , ?
A)57
B)53
C)65
D)73
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Answer A)57
67+1^2 = 67+1 = 68
68-2^2 = 68-4 = 64
64+3^2 = 64+9 = 73
73-4^2 = 73-16 = 57
2)131, 138, 154, 188 ?
A)243
B)249
C)224
D)232
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Answer B)249
131+7 = 138………….(7)
138+16 = 154…………(7+9 = 16)
154+34 = 188…………(16+18 = 34)
188+61 = 249………..(34+27 = 61)
3)657, 679, 712, 756, ?
A)814
B)824
C)811
D)921
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Answer C)811
657+22 = 679
679+33 = 712
712+44 = 756
756+55 = 811
4)27, 54, 324, 5832, ?
A) 341982
B) 314892
C) 341928
D) 314628
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Answer D) 314928
27*2=54
54*6 =324…..(2*3 =6)
324*18 = 5832….(6*3)
5832*54 =314928….(18*3=54)
5)39, 40, 162, 1461, ?
A)37231
B)23737
C)23380
D)27733
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Answer – C)23380
39*1^2+1 = 39+1 = 40
40*2^2+2 = 40*4+2 = 162
162*3^2+3 = 162*9+3 = 1461
1461*4^2+4 = 23380
6)(325.25÷25)% of 3223 = ? + 267
A)132
B)152
C)178
D)165
E)None of these
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Answer B)152
13.01% of 3223 = 419.3 = 419
419 – 267 = 152
7)(21.85)2 × 7.09 + (23.06)^2 × 6.35 = ?
A)6777
B)6774
C)6752
D)6762
E)None of these
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Answer D)6762
477.42×7.09 + 531.76×6.35
3384.91+3376.68 = 6761.59 = 6762
8)(1/6) of 5640 + 285 = ?2
A)25
B)55
C)35
D)45
E)None of these
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Answer C)35
5640/6 + 285 = 940+285 = 1225
1225 = 35*35
9)(1/3) of (256/7) of (21/16) of (1/2) of ? = 3648
A)456
B)654
C)765
D)876
E)None of these
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Answer A)456
256*21/3*7*16*2 = 5376/672 = 8
3648/8 = 456
10)[√(121×49) ]÷3.5 × 78 = ?2 + 35
A)39
B)49
C)51
D)41
E)None of these
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Answer D)41
√5929 = 77
77÷35 = 22
22*78 = 1716
1716 – 35 = 1681 = 41*41 = 412
