Question 31

By interchanging which two numbers the equation will be correct?
$$9 - 2 \times 4 \div 6 = -3$$

Solution

$$9 - 2 \times 4 \div 6 = -3$$

By option (b) 6 and 2, on interchanging we get, $$9 - 6 \times 4 \div 2 = -3$$

Using BODMAS rule, we get, $$9 - 6 \times 2 = -3$$

9 - 12 = -3

-3 = -3

Hence LHS = RHS.

By options (a) and (d), we will get fractional values that are not possible.

By options (c), we will get 1 which will not satisfy the equation.

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By interchanging which two numbers the equation will be correct?$$9 - 2 \times 4 \div 6 = -3$$