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Of the four given equations, the first three are solved on the basis of a certain system. Find the correct answer for the unsolved fourth equation on the same basis.

6 ∗ 5 = 91

8 ∗ 7 = 169

10 ∗ 9 = 271

22 ∗ 5 = ?


1. 993
2. 331
3. 845
4. 678

1 Answer

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Best answer
Correct Answer - Option 2 : 331

The pattern followed here is,

6 ∗ 5 = 30 ∗ 3 = 90 + 1 = 91

8 ∗ 7 = 56 ∗ 3 = 168 + 1 = 169

10 ∗ 9 = 90 ∗ 3 = 270 + 1 = 271

Similarly,

22 ∗ 5 = 110 ∗ 3 = 330 + 1 = 331

Hence, the answer is 331.

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