Question
Download Solution PDFWhich two signs should be interchanged to make the below equation mathematically correct?
8 + 32 ÷ 16 × 11 - 5 = 22
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF1. × and ÷
8 + 32 × 16 ÷ 11 - 5 = 22
⇒ 8 + 32 × 1.45 - 5 = 22
⇒ 8 + 46.54 - 5 = 22
⇒ 54.54 - 5 = 22
⇒ 49.54 ≠ 22
2. - and +
8 - 32 ÷ 16 × 11 + 5 = 22
⇒ 8 + 2 × 11 - 5 = 22
⇒ 8 + 22 - 5 = 22
⇒ 30 - 5 = 22
⇒ 25 ≠ 22
3. ÷ and -
8 + 32 - 16 × 11 ÷ 5 = 22
⇒ 8 + 32 - 16 × 2.2 = 22
⇒ 8 + 32 - 35.2 = 22
⇒ 40 - 35.2 = 22
⇒ 4.8 ≠ 22
4. + and ×
8 × 32 ÷ 16 + 11 - 5 = 22
⇒ 8 × 2 + 11 - 5 = 22
⇒ 16 + 11 - 5 = 22
⇒ 27 - 5 = 22
⇒ 22 = 22
Hence, '+ and ×' is the correct answer.
Last updated on Jul 8, 2025
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