Question

so how are u.. ?
can u solve this.​

Answer 1

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as per given .

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6 × 5 = 91

6 × 5 = 30

30 × 3 + 1

90 + 1 = 91 .( proved )

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8 × 7 = 169

8 × 7 = 56

56 × 3 + 1

168 + 1 = 169 . ( proved )

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10 × 7 = 211

10 × 7 = 70

70 × 3 + 1

210 + 1 = 211 ( proved )

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22 × 5 = ?

22 × 5 = 110

110 × 3 + 1

330 + 1 = 331 ( proved )

hence it is proved 22 × 5 = 331 .