New Workshop on Job Profile of RBI Grade B Officer by Susheel Ragade sir

Register

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.

A 200

B 300

C 250

D 350

Download PDF Practice Next

More Average Questions

In an examination the average marks of Rohit is 63. If he got 20 more marks in science and 28 more marks in maths then his average would have been 69. Find the total number of subjects he studied?
Four persons ‘A’, ‘B’, ‘C’ and ‘D’ have different amounts with them. ‘D’ has twice amount than that of ‘A’. The amount ‘B’ has is 12.5% more than that of ‘D’. The amount ‘C’ has is equal to the average amount all four persons have. If the sum of the average amount all four have and the amount ‘A’ has is Rs. 440, then find the amount ‘B’ has.
The average weight of 4 persons is 30 kg. The heaviest person’s weight is 24 kg more than the lightest person’s weight. If the average weight of the rest two persons is 35 kg, then find the weight of the heaviest person.
In a family of 10, the men eat on average 70kg of food and women eat on an average 45kg of food. The men and women are equal in number. A woman joined the family for dinner and the average consumption became 60. How much did woman eat (in kgs)?
In a family of 10, the men eat on average 65 kg of food and women eat on an average 45 kg of food. The men and women are equal in number. A woman joined the family for dinner and the average consumption became 55. How much did woman eat (in kgs)?
The average wage of a group of 49 labourers is Rs. 650. If 4 persons receiving average wage of Rs. 500 leave the group and 2 persons receiving average wage of Rs. K join the group, then the average wage of the group increases by Rs. 46. Find the value of ‘K’.
The average age of a class of 27 girls is 18 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
The average age of three children in a family is 35% of the average of the age of father and the eldest child. The total age of the mother and the younger child is 43 years. If the father’s age is 32 years, what is the age of the second child?
The average age of a class of 20 girls is 16 years. If 4 new girls having average age of 10 years join the class, then the average age of the class becomes:
In a family of 8, the men eat on average 70 kg of food and women eat on an average 50 kg of food. The men and women are equal in number. A woman joined the family for dinner and the average consumption became 67. How much did woman eat (in kgs)?

Relevant for Exams:

Management Aptitude Test (MAT)

×