Que.1 Add two Numbers

  const AddTwoNumbers = (a,b) => {
      return a+b;
  };
        

Que.2 Find if the conditions are obeyed or not?

  const Is_Valid = (a,b) => {
      return (a<10 && a>b);                  
  };
        

Que.3 Check the conditons

  const Check = (A, B) => 
  {
      return !(A % 10 !== 0 && B % 10 !== 0);
      // or
      // return (A % 10 !== 0 || B % 10 !== 0);
  };
        

Que.4 Find the first digit of a 4 digit number

  const First_Digit = (n) => {
      let num = Math.floor(n / 1000);
      return num;
  };
        

Que.5 Find the last digit of a 4 digit number

  const Last_Digit = (n) => {
      let num = Math.floor(n % 10);                 
      return num;
  };
        

Que.6 Find the remainder

  const Find_the_remainder = (a,b) => {
      let num = b%a;
      return num;
  };
        

Que.7 Multipy two Numbers

  const Multiply_two_number = (a,b) => {
      return a*b;
  };
        

Que.8 Marks Calculator

            
  const Sum = (A, B, C) => 
  {
    return A+B+C;
  };
  
  const Average = (A, B, C) => 
  {
     return (A+B+C)/3;
  };