Question
Some equations are solved on the basis of a certain
system. Find the correct answer for the unsolved equation on that basis. 11 * 7 = 72, 14 * 7 = 147, 17 * 9 = ?Solution
⇒ 11 * 7 = 72 ⇒ 11 – 7 ⇒ 121 – 49 = 72 ⇒ 14 * 7 = 147 ⇒ 14 – 7 ⇒ 196 – 49 = 147 ⇒ 17 * 9 = 17 – 9 ⇒ 289 – 81 = 208 Therefore 17 * 9 = 208
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