In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced to 25 from 40 and the overall average of the student is reduced to 30. Then find the total number of students who participated in that examination.
Let the total number of students be x Average marks obtained by the students = 40 Total marks = 40x After correcting the quantitative mistakes the average decreased by (40-25) = 15 marks Total reduction = 15 × 50 = 750 Now According to the Question, (40x-750)/x = 30 40x-750=30x x=75 Total number of students = 75
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Choose the Hindi word closest in meaning to the following English words :
Mundane
निम्नलिखित में से त्रुटि शब्द का अर्थ नहीं है ?
...लागत बढ़ना
दृष्टिबंधक –
नीचे दिए गए वाक्य के लिए सही हिंदी अनुवाद चुनें।
The M...