Question
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.Solution
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
Consider the following statements about Dengue:
1.Dengue is a mosquito-borne tropical disease caused by a virus.
2.It is transmitted princ...
L'Oreal Paris has appointed which Bollywood actress as its new global brand ambassador?
Who is the chief architect of the construction of Ayodhya Ram temple?
Who has been permitted to remit advance payment on behalf of Qualified Jewellers for import of gold through India International Bullion Exchange IFSC Lt...
The Union Cabinet recently approved India's participation in the Biodiversity Beyond National Jurisdiction (BBNJ) Agreement. Which ministry will lead th...
Where is the first ‘Niveshak Shivir’ being launched by IEPFA and SEBI?
Which two cities in Uttar Pradesh are developing Integrated Manufacturing Clusters under NICDC?
In which city will the IBSA Blind Football Intercontinental Cup 2023 be organized?
Who was recently appointed as the Prime Minister of Palestine?
Select the correct statements regarding Uttarakhand Gram Panchayat:
1. For the formation of Gram Panchayat, there should be at least 500 popul...
