Question
Download Solution PDFஒரு எண்ணின் 5 மடங்கில் 7ஐச் சேர்த்தால், நமக்கு 67 கிடைக்கிறது, அதே எண்ணிலிருந்து மூன்று மடங்கில் இருந்து 9 ஐக் கழித்தால், நமக்கு 27 கிடைக்கும். கொடுக்கப்பட்ட எண்ணைக் கண்டறியவும்.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFஎண்ணை x என எடுத்துக்கொள்வோம்
கேள்விக்கு ஏற்ப,
5x + 7 = 67
⇒ 5x = 60
⇒ x = 12 ---(i)
3x - 9 = 27
⇒ 3x = 36
⇒ x = 12 ----(ii)
சமன்பாடு (i) மற்றும் (ii)இல் இருந்து
நமக்கு x = 12 கிடைக்கிறது.
எனவே, சரியான பதில் 12 ஆகும்.
Last updated on Jun 30, 2025
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