1.

728616714234Ans: 70(a) 72(b) 70(c) 68(d) 66

Answer»

7+7+2 = 16

16+16+2 = 34

34+34+2 = 70

70+70+2 = 142

142+142+2 = 286

7*2+2=1616*2+2=3434*2+2=7070*2+2=142142*2+2=286



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