Question 48

Which of the following order of numbers will make the below equation correct?
$$36 \times 5 - 18 \div 6 + 2 = 78$$

Solution

By Trail and Error method,

Option A

$$36\times2-18\div6+5$$

$$36\times2-3+5$$

$$72-3+5$$

$$74$$

Option B

$$5\times6-36\div18+2$$

$$5\times6-2+2$$

$$30-2+2$$

$$30$$

Option C

$$5\times2-18\div6+36$$

$$5\times2-3+36$$

$$10-3+36$$

$$43$$

Option D

$$18\times5-36\div2+6$$

$$18\times5-18+6$$

$$90-18+6$$

$$78$$

Hence, the correct answer is Option D


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