एक परीक्षा में 35% विद्यार्थी एक विषय तथा 42% विद्यार्थी दूसरे विषय मे अनुतीर्ण रहे जबकि 15% विद्यार्थी दोनो विषयों में अनुतीर्ण रहे यदि कुल परीक्षार्थियों की संख्या 2500 हो तो केवल एक विषय मे कितने विद्यार्थी उत्तीर्ण हुए?
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in first subject 35%is fail =2500×35/100
=875 students are fail in first subject.
similarly in second subject , 2500×42/100=1050students are fail.
in both subject,2500×15/100=375students are fail.
in first subject no of pass student=2500-875=1625
in second subject no of pass student =2500-1050=1450.
in. both subject no of pass student =2500-375=2125
=875 students are fail in first subject.
similarly in second subject , 2500×42/100=1050students are fail.
in both subject,2500×15/100=375students are fail.
in first subject no of pass student=2500-875=1625
in second subject no of pass student =2500-1050=1450.
in. both subject no of pass student =2500-375=2125
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