Question
The average age of (x + 4) students of a class is 18 years. If the 54 years old class teacher is also included then average age of the class gets increased by two years. Find x% of 300.
More Average Questions
- The average height of each student in a class of 15 students is 160 cm. If 6 new students joined the class, then the average height of the each student in ...
- The mean of 15 observations is 124 and the median of the observations is 130. Find the mode of the observations.
- Out of three numbers the average of the first and the second number is 37 more than the average of the second and the third number. What is the diffe...
- Average run scored by a batsman in first ‘x’ matches is 77. In next 12 matches he scored runs with an average of 90 so that his overall average increased b...
- The average age of three children is 20 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
- The average mark obtained by 160 candidates in a certain examination is 55. If the average marks of passed candidates are 60 and that of the failed candida...
- Average marks scored by each boy in a class were 100, whereas that by each girl were 90. If the number of boys is 50% more than the number of girls, then f...
- Average of 8 numbers is 70. If average of first four and last two numbers is 50 and 60, respectively then find the fifth number given that ratio of fifth a...
- Sonali applied for a job of Science teacher in a school. In the test for job, she scored 8 in Physics, 8 in Chemistry, 6 in Biology, and 6.5 in the intervi...
- The average number of novels on historical, thriller and fantasy in a library is 195, and the average number of novels on historical and fantasy is 150. If...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
