DSSSB TGT · Section A — Arithmetical and Numerical Ability
Average
Average of numbers, ages, marks and money.
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Take a full mock →Q1 · Average · EASY
The average of five numbers is 48. If one number is excluded, the average becomes 45. What is the excluded number?
Q2 · Average · EASY
The average age of 30 students in a class is 16 years. If the teacher's age is included, the average increases by 1 year. What is the teacher's age?
Q3 · Average · MEDIUM
The average score of 40 students in an examination is 65 marks. If the top 5 scorers, who have an average of 90 marks, are excluded, what is the average score of the remaining students?
Q4 · Average · HARD
A batsman has a certain average in 15 innings. In the 16th inning, he scores 90 runs, thereby increasing his average by 3 runs. What was his average before the 16th inning?
Q5 · Average · MEDIUM
The average marks of 30 students in a class is 72. If the marks of the topper (who scored 95) and the lowest scorer (who scored 35) are excluded, what is the new average of the remaining students?