Question
Download Solution PDFSelect the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
64 * 140 * 2 * 4 * 10
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe pattern followed here is:
Let's interchange the given mathematical signs to sequentially replace the * signs and to balance the given equation.
1) +, -, =, ÷
⇒ 64 + 140 - 2 = 4 ÷ 10
⇒ 64 + 140 - 2 = 0.4
⇒ 204 - 2 = 0.4
⇒ 202 ≠ 0.4
⇒ LHS ≠ RHS
2) =, ÷, -, +
⇒ 64 = 140 ÷ 2 - 4 + 10
⇒ 64 = 70 - 4 + 10
⇒ 64 = 80 - 4
⇒ 64 ≠ 76
⇒ LHS ≠ RHS
3) -, +, ÷, =
⇒ 64 - 140 + 2 ÷ 4 = 10
⇒ 64 - 140 + 0.5 = 10
⇒ 64.5 - 140 = 10
⇒ - 75.5 ≠ 10
⇒ LHS ≠ RHS
4) =, ÷, +, -
⇒ 64 = 140 ÷ 2 + 4 - 10
⇒ 64 = 70 + 4 - 10
⇒ 64 = 74 - 10
⇒ 64 = 64
⇒ LHS = RHS
Hence, the correct answer is "=, ÷, +, -".
Last updated on Jun 30, 2025
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