Question
Download Solution PDFSelect the correct combination of mathematical signs to sequentially fill in the boxes and to balance the given equation.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF
Given statement : 12 * 8 * 3 * 2 * 5 * 1 * 5 * 10
According to the question, after replacing the * signs :
So,
- Option - (1) : −, +, ×, ×, ÷, ×, =
12 * 8 * 3 * 2 * 5 * 1 * 5 * 10 ⇒ 12 - 8 + 3 × 2 × 5 ÷ 1 × 5 = 10
12 - 8 + 3 × 2 × 5 × 5 = 10
12 + 150 - 8 = 10
162 - 8 = 10
154 ≠ 10 (LHS ≠ RHS)
- Option - (2) : ×,−, +, ×, ÷, ×, =
12 * 8 * 3 * 2 * 5 * 1 * 5 * 10 ⇒ 12 × 8 - 3 + 2 × 5 ÷ 1 × 5 = 10
12 × 8 - 3 + 2 × 5 × 5 = 10
96 + 50 - 3 = 10
146 - 3 = 10
143 ≠ 10 (LHS ≠ RHS)
- Option - (3) : ×, ÷, ×, ×, =,−, +
12 * 8 * 3 * 2 * 5 * 1 * 5 * 10 ⇒ 12 × 8 ÷ 3 × 2 × 5 = 1 - 5 + 10
12 × 2.66 × 2 × 5 = 1 + 10 - 5
320 = 11 - 5
320 ≠ 6 (LHS ≠ RHS)
- Option - (4) : -, +, ×, ÷, ×, ×, =
12 * 8 * 3 * 2 * 5 * 1 * 5 * 10 ⇒ 12 - 8 + 3 × 2 ÷ 5 × 1 × 5 = 10
12 - 8 + 3 × 0.4 × 1 × 5 = 10
12 + 6 - 8 = 10
18 - 8 = 10
10 = 10 (LHS = RHS)
Last updated on Jul 12, 2025
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