Question
In an examination, the average marks obtained by the
students is 60. After correcting the quantitative mistakes, the average of 100 students is reduced to 45 from 60 and the overall average of the student is reduced to 50. 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 = 60 Total marks = 60x After correcting the quantitative mistakes the average decreased by (60-45) = 15 marks Total reduction = 15 × 100 = 1500 Now According to the Question, (60x-1500)/x = 50 (60x-1500)= 50x
What was the reported rise in SBI’s net interest income (NII) in Q2FY26?
Which country’s King Willen -Alexander opened the world's largest canal lock, Zeesluis IJmuiden.
- Which state emerged as the overall champion in the 38th National Games 2025?
Which two space missions will collaborate for solar observation campaigns in 2025?
Recently JSW Steel signed a memorandum of understanding (MoU) with which of the folloiwng German engineering and technology company, for exploring decar...
Which public sector bank has announced the launch of its UPI Interoperable Digital Rupee mobile application that allows users to pay with digital curr...
In which month will the next RBI MPC meeting take place after June 2025?
Which organization of India is responsible to develop a strong global connect and focus on the needs of the Indian economy as well as to serve as an int...
The International Potato Center’s South Asia regional centre will be set up near which Indian city?
Who is the recently appointed Chairman and Managing Director of NHPC Ltd?
Relevant for Exams:
