The average of the four consecutive odd number is 16. What is the difference between third and first number?

The mean of scores obtained by 50 students is found to be 79.5. Later on, it was found that the score of one student was read as 94 in place of 49 and the score of another student was read as 69 in place of 89. Find the correct mean.

Heights (in cm) of 15 students are:

142, 145, 148, 150, 152, 155, 148, 150, 150, 152, 155, 148, 150, 152, 148.

What is the median height of the students?

The mean of 5 numbers is 15. If one more number is included, the mean of the 6 numbers becomes 17. Find the included number.

The sum of the ages of 5 children born at intervals of 3 years each is 50 years. What is the age of the youngest child?

Match List I with List II

Choose the correct answer from the options given below:

The average of $39$ numbers is $17$. Each number is multiplied by $12$ and then $16$ is added to each number. Finally, each number thus formed is divided by $11$.

Determine the average of the new sets of numbers thus formed ?