Search questions

The average of 150 real numbers is zero. At most, how many of them can be negative ?

A teacher recorded the marks of 5 students as 45, 50, 65, 55, and 60. Later, it was found that the score '50' was wrongly recorded; the correct score is 80 . What is the correct average of the marks?

Average of 7 consecutive even numbers is 52 . Find the largest number.

The average score of a batsman in 4 innings is 60 runs. If the difference between his highest and lowest score is 40 runs and the other two scores are 55 and 65 , find the highest score.

Average of first 25 odd numbers is:

If average of $3x,2x+2,3x+2$, is 20 , find $x$.

Aman's daily water intake for 5 days was 2.5 L, 3 L, 2 L, 3.5 L, and 3 L. On the 6th day, he forgot to note his intake. If the average intake for 6 days is 3 L , how much water did he drink on the 6th day?

The average of consecutive even natural numbers from 4 to 'N' is 52.Find the value of ' N ', where N is an even natural number.)

5 numbers are in arithmetic progression. The sum of the first and the last number of this progression is 80.What is the average of these five numbers?