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Average || 13.06.2021

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Question 1

The average of n numbers is 42. If 75% of the numbers are increased by 4 each and the remaining numbers are decreased by 8 each, then what is the average of the numbers, so obtained?

Question 2

The average of 44 consecutive odd numbers is 144.What is the largest number?

Question 3

The average weight of 14 children is 22 kg. If the weight of the teacher is also included, the average weight becomes 23 kg. What is the weight of the teacher?

Question 4

A is 30% more than B and value of C is 40% less than total value of A and B together. If average of A, B and C is 736 then what is value of A?

Question 5

The average marks of 138 students is 65 and the average marks of 69 students of another class is 68. What will be the average if both the classes are merged?

Question 6

The average age of fifteen persons is 32 years. If two more persons are added then the average is increased by 3 years. The new persons have an age difference of 9 years between them. The age (in years) of the younger among the new persons is:

Question 7

In a class of 80 students, 60% participate in games and the rest do not. The average weight of the former group is 5% more than that of the letter. If the average weight of all the students is kg, then what is the average weight (in kg) of the former group?

Question 8

The average of sales of a furniture shop in the years 2015, 2016, 2017, 2018 is ₹16300, and that of in the years 2016, 2017, 2018, 2019 is ₹18450. If the sales in 2019 are ₹9200, then what are the sales in 2015?

Question 9

In a company 40% workers are trained. Salary of each trained worker is 5000 more than that of untrained worker. If average salary of all workers is 10000 then what is salary of a untrained worker?

Question 10

The number of students in Section A and Section B of a class are 40 and 52, respectively. The average score in mathematics of all the students is 75 . If the average score of the students in A is 20% more than that of students in B then what is the average score of students in Section B?
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Jun 13SSC & Railway