Question
Download Solution PDFபின்வரும் சமன்பாட்டை சரியானதாக்க இரண்டு குறிகளில் எதை இடமாற்றம் செய்ய வேண்டும்?
21 + 5 × 2 – 21 ÷ 3 = 12
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்ட சமன்பாடு: 21 + 5 × 2 – 21 ÷ 3 = 12
1) + மற்றும் -
குறிகளை இடமாற்றம் செய்த பிறகு
LHS = 21 - 5 × 2 + 21 ÷ 3 = 21 - 10 + 7 = 18 ≠ RHS
2) - மற்றும் ÷
அறிகுறிகளை இடமாற்றம் செய்த பிறகு
LHS = 21 + 5 × 2 ÷ 21 - 3 = 21 + 0.476 - 3 = 18. 476 ≠ RHS
3) - மற்றும் ×
குறிகளை இடமாற்றம் செய்த பிறகு
LHS = 21 + 5 - 2 × 21 ÷ 3 = 21 + 5 - 14 = 12 = RHS
4) - மற்றும் ×
குறிகளை பரிமாறிக்கொண்ட பிறகு
LHS = 21 + 5 ÷ 2 - 21 × 3 = 21 + 2.5 - 63 = - 39.5 ≠ RHS
எனவே, “- மற்றும் ×” என்பது சரியான பதில்.
Last updated on Jun 12, 2025
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