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P. 304

while (g>=1)

                     {
                         if(a%g==0 && b%g==0)
                         {
                             break;
                         }
                         g--;
                     }
                     l=(a*b)/g;
                     System.out.println("GCD of "+ a +" and "+ b +" is "+ g);
                     System.out.println("LCm of "+ a +" and "+ b +" is "+ l);
                 }
             }
         Ans. Enter two numbers:

             4
             64
             GCD of 4 and 64 is 4

             LCM of 4 and 64 is 64
          24.  The following are the bill payment charges of the ABC Company:

              Units of electricity  Rate per unit
              First 100 units       4.5 per unit
              next 250 units        5.5 per unit
              next 300 units        7 per unit
              above 650 units       9 per unit
              Write a Java program to input the units of the electricity consumed by the customer and display the amount to be paid
             by the customer.

         Ans. package com.mycompany.elec_bill;

            import java.util.*;
              class Elec_bill
            {
                  public static void main(String [] args)
              {
              Scanner sc=new Scanner(System.in);

              int unit;
              double bill_amount;
              System.out.println("Enter consumed unit : ");
              unit=sc.nextint();
              if(unit <= 100)
                       bill_amount = unit * 4.5;

              else if(unit <= 350)

                Touchpad Information Technology-XI-XII
          302   T ouchpad In f orma tion T echnology
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