Question 39

Find out the correct answer for the unsolved equation on the basis of the given equations. If 65 = 91 8 7 = 169 107 = 211 then 11 10 = ?

Solution

Given eq. follow a pattern like
$$6*5 = 6^2 + 5^2 +6 \times 5 = 91$$
$$8*7 = 8^2 + 7^2 + 7 \times 8 = 169$$
So $$11*10 = 11^2 + 10^2 + 11 \times 10$$

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