Question
In an examination, the average marks obtained by the
students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced to 60 from 75 and the overall average of the student is reduced to 70. Then find the total number of students who participated in that examination.Solution
Let the total number of students be x Average marks obtained by the students = 75 Total marks = 75 x After correcting the quantitative mistakes the average decreased by (75-60) = 15 marks Total reduction = 15 × 100 = 1500 Now According to the Question, (75x-1500)/x = 70 70 x = 75 x – 1500 x = 300 Total number of students = 300
What is the cash prize awarded to each winner selected under the Veer Gatha Project (3.0) at the National Level, jointly felicitated by the Ministry of ...
In _________, Namami Gange Programme, an Integrated Conservation Mission was approved as a Flagship
Programme by the Union Government of India.
______ represents the high point of an eclectic art, which, in the 7th and 8th centuries under the Chalukya dynasty, achieved a harmonious blend of arc...
National Waterway-1 of India covers:
In the UN Emblem which colour symbolizes peace?
Dhruvasena II is related to which of the following ruling dynasties?
Who wrote the novel “Life of Pi”?
Which of the following uses parasitic nutritive strategy?
Which of the following is in geographical proximity to Sri Lanka?
What is a 'double fault' in tennis?
Relevant for Exams:
