Question
Download Solution PDFఒక సంఖ్య, ఆ సంఖ్యలో 50%, అదే సంఖ్యలో 25% యొక్క సగటు 280 అయితే, ఆ సంఖ్య ఏ౦టి?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇవ్వబడినవి:
సగటు 280.
ఉపయోగించిన ఫార్ములా:
సగటు = పరిశీలన మొత్తం/పరిశీలన సంఖ్య
లెక్కింపు:
సంఖ్య x గా ఉండనివ్వండి
ప్రశ్న ప్రకారం,
⇒ (x+ xలో 50% + xలో 25%)/3 = 280
⇒ (x + x/2 + x/4)/3 = 280
⇒ 7x/12 = 280
⇒ 480
∴ సంఖ్య 480.
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