SSC CGL MATHS QUIZ

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Question 1:

A batsman has a certain average in 59 innings. In the next three innings he scored with an average of 84 thereby increasing his overall average by $1 \frac{1}{2}$ runs. What is his average after 62 innings?

Question 2:

The average salary of a company increases by 200 when the salary of the manager, which is Rs. 19500 , is included. If the number of employees excluding the manager is the smallest cube divisible by 16, what is the final average of the company?

Question 3:

The average age of 34 boys in a class is 14 years. If the teacher's age is included, the average age of boys and the teacher becomes 15 years. What is the teacher's age?

Question 4:

In an organization number of males and females are 145 and 116 respectively. Average Age of females and males are $28.5$ years and $31.2$ years respectively. The average age (in years) of all males and females is:

Question 5:

12 people went to a hotel for combined dinner. 11 people out of 12 spend Rs. 64 each on dinner. $12^{\text {th }}$ person spend Rs. 66 more than the average of all 12 persons. Find the total expenditure on dinner?

Question 6:

What is the average of first fifty even numbers?

Question 7:

The mean of first 50 natural numbers is:

Question 8:

The population of a town increased by $20 \%$ during the first year, by $25 \%$ during the next year and by $44 \%$ during the third year. Find the average rate of increase during 3 years.

Question 9:

The average score of 84 students (boys and girls) in a test is 95 . The ratio of the number of boys to that of girls is $10: 11$. The average score of the boys is $20 \%$ less than that of the girls. What is the average score of the boys in the test?

Question 10:

Six years ago, the average age of A, B and C was 29 years. Eight years ago, the average age of A and C was 27 years. What is the present age (in years) of B?