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Product of Two Consecutive Even or Odd Natural Numbers

If 1 * 2 = 9,...

Question

If 1 * 2 = 9, 2 * 3 = 31 and 3 * 4 = 73, then 4 * 5 = ?

यदि 1 * 2 = 9, 2 * 3 = 31 तथा 3 * 4 = 73, तब 4 * 5 = ?

A

142

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B

141

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C

132

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D

131

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Solution

The correct option is B 141
Solution

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