Question
Download Solution PDFWhich of the following equation given in the option is correct.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe logic followed here is:
Let's check each option one by one.
Option 1) 17 × 4 + 41 - 261 ÷ 9 = 89
⇒ 17 × 4 + 41 - 29 = 89
⇒ 68 + 41 - 29 = 89
⇒ 109 - 29 = 89
⇒ 80 ≠ 89
⇒ LHS ≠ RHS
Option 2) 29 + 14 × 12 ÷ 20 - 21 = 59
⇒ 29 + 14 × 0.6 - 21 = 59
⇒ 29 + 8.4 - 21 = 59
⇒ 37.4 - 21 = 59
⇒ 16.4 ≠ 59
⇒ LHS ≠ RHS
Option 3) 20 ÷ 4 - 25 × 11 + 42 = - 228
⇒ 5 - 25 × 11 + 42 = - 228
⇒ 5 - 275 + 42 = - 228
⇒ 47 - 275 = - 228
⇒ - 228 = - 228
⇒ LHS = RHS
Option 4) 53 × 13 + 81 ÷ 9 - 61 = 458
⇒ 53 × 13 + 9 - 61 = 458
⇒ 689 + 9 - 61 = 458
⇒ 698 - 61 = 458
⇒ 637 ≠ 458
⇒ LHS ≠ RHS
Hence, the correct answer is "Option 3".
Last updated on Jun 30, 2025
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