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
India’s rank has been improved in Global Innovation Index 2020 to 48th rank from _____ in 2019.
Who won the billiards final of the Western India Billiards and Snooker Championship on August 18, 2024?
What is the new transaction limit for tax payments via UPI set by the RBI?
Consider the following statements regarding the Asian Infrastructure Investment Bank (AIIB):
1. AIIB was established in 2016 with its headquarter...
Which historic achievement is celebrated by the Government of India with the declaration of August 23rd as "National Space Day"?
Consider the following statements regarding the RBI’s e-Kuber platform and recent government directives:
1. From July 16, 2025, all government ...
Which international organization recently collaborated with the UN Office for South-South Cooperation to promote sustainable development through coopera...
What is the purpose of the Jiyo Parsi scheme Portal?
Which country won the title of the FIFA Women's World Cup in 2023?
Which Indian organization recently secured a 1,600 MW thermal power project from Damodar Valley Corporation (DVC)?
Relevant for Exams:
