Find the average of first $25$ multiples of $5 .$

The average of five consecutive odd integers is $27 .$ What is the product of the first and the last number?

The average of runs of a cricket player of $10$ innings was $32 .$ How many runs must he score in his next innings so as to increase his average of runs by $4 ?$

A cricketer whose bowling average is $12.4$ runs per wicket takes $5$ wickets for $26$ runs and thereby decreases his average by $0.4$ The number of wickets taken by him till the last match was

Last year, $5$ companies had an average of $16$ non working days each, and $2$ companies had $5$ fewer non working days each. What was the average number of non working days given by the same companies this $year$ ?

A team of $8$ persons joins in shooting competition. The be marksman scored $85$ points, the average score for the team would have been $84. $ The number points the team scored was