Question 56

If 16 * 24 = 20, 71 * 19 = 45 and 8 * 52 = 30, then what will be 35 * 27?

Solution

16 * 24 = 20

$$ \frac{16}{2} + \frac{24}{2} = 8 + 12 = 20 $$

71 * 19 = 45

$$ \frac{71}{2} + \frac{19}{2} = 35.5 + 9.5 = 45 $$

8 * 52 = 30

$$ \frac{8}{2} + \frac{52}{2} = 4 + 26 = 30 $$

same way 35 * 27

$$ \frac{35}{2} + \frac{27}{2} = 17.5 + 13.5 = 31 $$

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