Question 43

If '$$-$$' stands for 'division', '$$+$$' for 'multiplication', '$$\div$$' for 'substraction' and '$$\times$$' for 'addition', then which one of the following equations is correct?

Solution

After substituting the actual operations, the equations become

A) 6 * 20 / 12 - 7 / 1 = 10 - 7 = 3 $$\ne\ $$ 38

B) 6 / 20 - 12 + 7 * 1 = 3/10 - 5 = -47/10 $$\ne\ $$ 57

C) 6 * 20 /12 - 7 + 1 = 10 - 7 + 1 = 4 $$\ne\ $$ 62

D) 6 - 20 + 12 * 7 / 1 = -14 + 84 = 70

Only option D satisfies the given operations.

Hence, the correct answer is option D.

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