Question
Download Solution PDFIf '+' means '-', '-' means '×', '×' means '÷' and '÷' means '+', what will come in place of the question mark (?) in the following equation?
18 × 3 - 15 ÷ 10 + 20 = ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFBODMAS Rule:
According to the question:
| Symbols | + | - | × | ÷ |
| Meaning | - | × | ÷ | + |
Now,
Given equation: 18 × 3 - 15 ÷ 10 + 20 = ?
After replacing the symbols:
⇒ 18 ÷ 3 × 15 + 10 - 20 = ?
⇒ 6 × 15 + 10 - 20 = ?
⇒ 90 + 10 - 20 = ?
⇒ 100 - 20 = 80.
Hence, the correct answer is "80".
Last updated on Jul 18, 2025
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