Question
Download Solution PDFSelect the correct combination of mathematical signs to replace the * signs and balance the given equation.
89 * 5 * 15 * 32 * 8 * 18
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe pattern followed here is:
We have to put the signs in the given equations to make it correct.
Let's check each option one by one.
1) ÷, +, -, ×, =
⇒ 89 ÷ 5 + 15 - 32 × 8 = 18
⇒ 17.8 + 15 - 32 × 8 = 18
⇒ 17.8 + 15 - 256 = 18
⇒ 32.8 - 256 = 18
⇒ -223.2 ≠ 18
⇒ LHS ≠ RHS
2) ×, +, ÷, -, =
⇒ 89 × 5 + 15 ÷ 32 - 8 = 18
⇒ 89 × 5 + 0.46875 - 8 = 18
⇒ 445 + 0.46875 - 8 = 18
⇒ 445.46875 - 8 = 18
⇒ 427.46875 ≠ 18
⇒ LHS ≠ RHS
3) +, -, ÷, ×, =
⇒ 89 + 5 - 15 ÷ 32 × 8 = 18
⇒ 89 + 5 - 0.46875 × 8 = 18
⇒ 89 + 5 - 3.75 = 18
⇒ 94 - 3.75 = 18
⇒ 90.25 ≠ 18
⇒ LHS ≠ RHS
4) -, ×, +, ÷, =
⇒ 89 - 5 × 15 + 32 ÷ 8 = 18
⇒ 89 - 5 × 15 + 4 = 18
⇒ 89 - 75 + 4 = 18
⇒ 93 - 75 = 18
⇒ 18 = 18
⇒ LHS = RHS
Hence, the correct answer is " -, ×, +, ÷, = ".
Last updated on Jul 8, 2025
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