Explain need of an algorithm?

Write an algorithm to find average age of a group of $10$ players?

Write algorithm to this problem:Ramshewak goes to market for buying some fruits and vegetables. He ishaving a currency of Rs $500$ with him for marketing. From a shop he purchases $2\mathrm{.}0kg$ Apple priced Rs$.50\mathrm{.}0$ per kg$,1\mathrm{.}5$ kg Mango priced Rs$.35\mathrm{.}0$ per kg$,2\mathrm{.}5$ kg Potato priced Rs$.10\mathrm{.}0$ per $kg,$ and $1\mathrm{.}0kg$ Tomato priced Rs$.15$ per $kg.$ He gives the currency of Rs$.500$ to the shopkeeper. Find out the amount shopkeeper will return to Ramshewak. and also tell the total item purchased.

Find factorial of N$?$

Explain steps involve in drawing of a flowchart.

Explain uses of Flowchart.

Draw a flowchart to find the sum of first $100$ natural numbers.

Draw a flowchart to find the largest of three numbers $x,y$ and $z.$

Draw flowchart for the problem of determining prime number?

Draw a flowchart which generates first $50$ items of the Fibonacci series:

$1,1,2,3,5,8,$dots?

Design an algorithm to convert a decimal number, $n,$ to binary format?