please answer me friends...........
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2×3 = 6 , 6 + 2 = 8
4×5 = 20 , 20 + 12 = 32
6 ×7 = 42 , 42 + 20 = 72
7 × 8 = 56, 56 + 26 = 82
8 × 9 = 72, 72 + 30 = 102 ( answer )
here is even sequence of difference.
2 - 12 = 10
12 - 20 = 8
20 - 26 = 6
26 - 30 = 4
sequence , 10 , 8 , 6 , 4 .....
hence the required number = 102
【 hope it helps 】
4×5 = 20 , 20 + 12 = 32
6 ×7 = 42 , 42 + 20 = 72
7 × 8 = 56, 56 + 26 = 82
8 × 9 = 72, 72 + 30 = 102 ( answer )
here is even sequence of difference.
2 - 12 = 10
12 - 20 = 8
20 - 26 = 6
26 - 30 = 4
sequence , 10 , 8 , 6 , 4 .....
hence the required number = 102
【 hope it helps 】
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