Question
Download Solution PDFராம் தனது பணத்தில் 12 \(\frac{1}{2}\) %நட்டமடைகிறார், மீதமுள்ள பணத்தில் 75% செலவழித்த பிறகு, 630 ரூபாய் மீதம் உள்ளது. ராமரிடம் ஆரம்பத்தில் எவ்வளவு பணம் இருந்தது?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டது:
ராம் 12 \(\frac{1}{2}\) % நட்டமடைகிறார், மீதமுள்ள பணத்தில் 75% செலவழித்த பிறகு, அவரிடம் 630 ரூபாய் மீதமுள்ளது
கணக்கீடு:
ராம் ஆரம்பத்தில் ரூ. 100a
100a × 12 \(\frac{1}{2}\) %
⇒ 12 \(\frac{1}{2}\) a
அதனால்,
மீதமுள்ள பணம் = 100a - 12.5a
⇒ ரூ. 87.5a
87.5a × 25/100 = ரூ. 630
⇒ 87.5a = 630 × 4
⇒ 87.5a = 2520
⇒ a = 2520/87.5
⇒ a = 28.8
எனவே, 100a = 2880
∴ சரியான பதில் ரூ. 2880.
Shortcut Trick
நமக்கு தெரியும், 12 \(\frac{1}{2}\) % = 1/8 மற்றும் 75% = 3/4,
எனவே, 7 அலகு → 630,
பிறகு, 32 அலகு → 630/7 × 32 = ரூ.2880
Last updated on Jul 2, 2025
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