If + means –, – means ×, × means ÷, and ÷ means +, then what will be the value of the following expression?
15 – 2 ÷ 90 × 9 + 10
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 30.
| Understanding | Application |
|
Given: 15 – 2 ÷ 90 × 9 + 10 + = – – = × × = ÷ ÷ = + |
Therefore, by changing the signs, the equation becomes: 15 × 2 + 90 ÷ 9 – 10 We will solve the equation using the BODMAS rule. = 15 × 2 + 10 – 10 = 30 + 10 – 10 = 30 |