Question
Download Solution PDFSelect the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
256 * 4 * 9 * 3 * 14 = 51
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF1. × + − ÷
256 × 4 + 9 - 3 ÷ 14 = 51
⇒ 1024 + 9 - 0.21 = 51
⇒ 1033 - 0.21 = 51
⇒ 1032.79 ≠ 51
2. ÷ × − +
256 ÷ 4 × 9 - 3 + 14 = 51
⇒ 64 × 9 - 3 + 14 = 51
⇒ 576 - 3 + 14 = 51
⇒ 590 - 3 = 51
⇒ 587 ≠ 51
3. × ÷ + −
256 × 4 ÷ 9 + 3 - 14 = 51
⇒ 256 × 0.45 + 3 - 14 = 51
⇒ 115.2 + 3 - 14 = 51
⇒ 118.2 - 14 = 51
⇒ 104.2 ≠ 51
4. ÷ − × +
256 ÷ 4 - 9 × 3 + 14 = 51
⇒ 64 - 27 + 14 = 51
⇒ 78 - 27 = 51
⇒ 51 = 51
Hence, '÷ − × +' is the correct answer.
Last updated on Jun 13, 2025
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