script ch5.js

// CHAPTER 5


// task1
// let num1 = 3;
// let num2 = 5;
// let sum = num1+num2
// document.write('sum of 3 and 5 is ' + sum)


// task2
// let num1 = 10;
// let num2 = 3;
// let substraction = num1-num2
// document.write('substraction of 5 from 10 is ' + substraction + '<br>')

// let num3 = 3;
// let num4 = 5;
// let multiply = num3*num4
// document.write('multiply of 3 and 5 is ' + multiply + '<br>')

// let num5 = 20;
// let num6 = 5;
// let divide = num5/num6
// document.write('divide of 20 and 5 is ' + divide)



// task4
// let variable = '';
// document.write('Value after variable declaration is : ' + typeof(variable));
// variable = 5;
// document.write('<br>' +'Initial value :' + variable);
// variable++;
// document.write('<br>'+'Value after increment is : '+variable);
// let add = variable+7;
// document.write('<br>'+'Value MATH EXPRESSIONS after addition is : '+add);
// add--;
// document.write('<br>' + 'Value after decrement is : ' + add);
// let remainder = add%3;
// document.write('<br>'+'The remainder is : ' +remainder);


// task5
// let costMovie = 600;
// let ticketBuy = 5;
// let totalCost = costMovie*ticketBuy;
// document.write('total cost of buy '+ ticketBuy + ' tickets to a movie is '+ totalCost + ' PKR');



// task6
// let table = 4;
// for (var i = 1; i<=10; i++) {
// 	document.write(table + 'x' + i + "=" + (i*table) + '<br>');
// }



// task7
// let temC = 25;
// let statmnt = 'C is'
// document.write(temC+statmnt+(temC * (9/5) + 32 + 'F') + '<br>');

// let temF = 70;
// let statmnt2 = 'F is';
// document.write(temF+statmnt2+(temC - 32 *(5/9) + 'C'));


// task8
// let price1 = 650;
// let price2 = 100;
// let ordr1 = 3;
// let ordr2 = 7;
// let shippingC = 100;
// let total = (price1*ordr1) + (price2*ordr2) + shippingC; 

// document.write('<br>' + 'Price of item 1 is ' + price1);
// document.write('<br>' + 'Ordered of item 1 is ' + ordr1);
// document.write('<br>' + 'Price of item 2 is ' + price2);
// document.write('<br>' + 'Ordered of item 2 is ' + ordr2);
// document.write('<br>' + 'shipping Charges is ' + shippingC);
// document.write( '<br>' + 'Total Cost of Your order is ' + total);


// task9
// totalMarks = 1100;
// obtainedMarks = 877;
// document.write('Total Marks : ' + totalMarks)
// document.write('<br>' +'Marks Obtained : ' + obtainedMarks)
// document.write('<br>' + 'Percentage is : ' + obtainedMarks/totalMarks * 100 + '%')


// task10
// let Dollor = 10;
// let saudi = 25;
// document.write('Total Currency in PKR: ' + (Dollor*104.80 + saudi*28));



// task11
// let numbr = 5;
// document.write((numbr+2) * 10 / 2 )


// task12
// let curr = 2020;
// let biry = 1999;
// document.write('Current year: ' + curr + '<br>' + 'Birth Year is : ' + biry)
// document.write('<br>' + 'Your Age is: ' + (curr - biry));


// task13
// let radius = 20;
// document.write("Radius of a circle: " + radius + '<br>');
// document.write("The Circumference: " + (2* 3.142 * radius) + '<br>');
// document.write("The area is: " + (3.142 * radius*radius));


// task14
// let snack = 'cookies';
// let myAge = 20;
// let maxAge = 60;
// let amount = 20;
// let totat = '';

// document.write('Favourite Snack: ' + snack + '<br>');
// document.write('Current AGe: ' + myAge + '<br>');
// document.write('Estimated Max Age: ' + maxAge + '<br>');
// document.write('Amount of Snack ' + amount + '<br>');
// document.write("you will need " + ((maxAge - myAge) * amount) + " Cookies to last you unitil ripe age: " + maxAge);