Filter Map Reduce Exercise

exercise.js

let xs = [1,2,3,4,5,6,7,8,9,10]
// Q1. Take only the number that is more than 5

// Q2. Multiply each number by 5

// Q3. Add all numbers together



let people = [
  {name: "Bob", gender: "M", age: 18, weight: 50},
  {name: "Ali", gender: "F", age: 15, weight: 45},
  {name: "Jun", gender: "F", age: 17, weight: 70},
  {name: "Yaa", gender: "M", age: 16, weight: 30},
  {name: "Wen", gender: "F", age: 12, weight: 60},
]

// Q4. How many people are females?

// Q5. Give me the names of people who are heavier than 50kg

// Q6. What are the total age of boys?

// Q7. What is the average weight of girls?

// Q8. Give me the names of all people, for each people you have to tell me whether he/she is old
//     A person is considered old if his/her age is more than 15
// Sample answer is [{name:"Bob", old: true}, {name:"Ali", old:false} ... ]