Question
Download Solution PDFChoose one of the following correct combination of mathematical signs which can be filled sequentially to balance the following equation.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF
Given statement :
According to the question, after replacing the * signs :
So,
- Option - (1) : ÷, ×, -, =, ×
28 * 4 * 3 * 9 * 42 * 12 ⇒ 28 ÷ 4 × 3 - 9 = 42 × 12
7 × 3 - 9 = 504
21 - 9 = 504
12 ≠ 504 (LHS ≠ RHS)
- Option - (2) : ÷, ×, =, +, +
28 * 4 * 3 * 9 * 42 * 12 ⇒ 28 ÷ 4 × 3 = 9 + 42 + 12
7 × 3 = 63
21 ≠ 63 (LHS ≠ RHS)
- Option - (3) : ÷, ×, +, =, -
28 * 4 * 3 * 9 * 42 * 12 ⇒ 28 ÷ 4 × 3 + 9 = 42 - 12
7 × 3 + 9 = 30
21 + 9 = 30
30 = 30 (LHS = RHS)
- Option - (4) : +, =, ÷, ×, +
28 * 4 * 3 * 9 * 42 * 12 ⇒ 28 + 4 = 3 ÷ 9 × 42 + 12
32 = 0.33 × 42 + 12
32 = 13.86 + 12
32 ≠ 25.86 (LHS ≠ RHS)
Last updated on Jul 19, 2025
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