Question

If 'x' means subtract, '$÷$' means multiply, '+' means divide and '$-$' means add, then which of the following would result in a value of 10.

• A. $15+12$ $\times$ $3$ $÷$ $2$ $-3$
• B. $15$ $\times$ $12$ $÷$ $3+2$ $-$ $3$
• C. $15+12$ $\times$ $3$ $-$ $2$ $÷$ $3$
• D. $15$ $\times$ $12+3$ $÷$ $2$ $-$ $3$

Answer 1

The correct option is D $15$ $\times$ $12+3$ $÷$ $2$ $-$ $3$

Option A:

$15+12\times 3÷2-3$

$=15÷12-3\times 2+3$

$=\frac{5}{4}-6+3$

$=-\frac{7}{4}$

Option B:

$15\times 12÷3+2-3$

$=15-12\times 3÷2+3$

$=15-18+3$

$=0$

Option C:

$15+12\times 3-2÷3$

$=15÷12-3+2\times 3$

$=\frac{5}{4}-3+6$

$=-\frac{7}{4}$

Option D:

$15\times 12+3÷2-3$

$=15-12÷3\times 2+3$

$=15-8+3$

$=10$

Hence, option D is correct.