Question
Download Solution PDFപഞ്ചസാരയുടെ വില 30% വർധിക്കുന്നു. ചെലവ് കൂടാതിരിക്കാൻ സീത അവരുടെ ഉപഭോഗം എത്ര ശതമാനം കുറയ്ക്കണം?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFനൽകിയത്:
പഞ്ചസാരയുടെ വിലയിൽ വർധന % = 25%
ഉപയോഗിച്ച സൂത്രവാക്യം:
ചെലവ് = വില × അളവ്
കണക്കുകൂട്ടൽ:
പഞ്ചസാരയുടെ പ്രാരംഭ ചെലവ് 100 രൂപയായിരുന്നു
ഇപ്പോൾ, വില 30% വർദ്ധിച്ചു
പുതിയ വില = (100 + 100 × 30%) = 130
ചെലവ് മാറാതെ സൂക്ഷിക്കാൻ, 130 രൂപയിൽ നിന്ന് 30 രൂപ കുറയ്ക്കണം.
⇒ 130 - 30 = 100
∴ഉപഭോഗത്തിലെ കുറവ് = 30/130 × 100 =
Shortcut Trick
100 → + 30% → 130 _____ - Y% → 100
ഇപ്പോൾ, Y = 30/130 × 100 =
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