Chapter Mock 6: Average and Ages Questions
Browse questions from Chapter Mock 6: Average and Ages. Each question has options and an explanation.
Questions — Page 1 of 2
- The average of $12,18,24,30$ and $36$ is:
- The average of $6$ consecutive integers is $18.5$. The largest integer is:
- Present ages of A and B are in the ratio $1:2$. If their average age is $24$ years, B is:
- The average of $8$ numbers is $26$. If one number $18$ is removed, the new average is:
- The difference between the present ages of two people is $12$ years. This difference after $10$ years will be:
- The average of $10$ numbers is $15$ and that of $15$ numbers is $20$. The average of all $25$ numbers is:
- The average age of $24$ men and $1$ woman is $35$ years. If the woman leaves, the average becomes $34$ years. The woman’s age is:
- The average marks of $125$ students is $29$. If the average marks of passed students is $36$ and that of failed students is $11$, the number of failed students is:
- A batsman in his $44^{\text{th}}$ innings scores $86$ and thereby increases his average by $1$. His average after $44$ innings is:
- The average salary of the entire staff of an office is Rs $120$ per month. The average salary of officers is Rs $460$ and that of non-officers is Rs $110$. If the number of officers is $15$, the number of non-officers is: