computer science class xi notes principal or money lent prate of interest rper annum and time years then simple interest (si( ) amount payable principal si pr and are given as input to the program write program to calculate in how many days work will be completed by three persons ab and together abc take daysy days and days respectively to do the job alone the formula to calculate the number of days if they work together is xyz/(xy yz xzdays where xyand are given as input to the program write program to enter two integers and perform all arithmetic operations on them write program to swap two numbers using third variable write program to swap two numbers without using third variable write program to repeat the string ''good morningn times here 'nis an integer entered by the user write program to find average of three numbers the volume of sphere with radius is / pr write python program to find the volume of spheres with radius cm cm cmrespectively write program that asks the user to enter their name and age print message addressed to the user that tells the user the year in which they will turn years old the formula mc states that the equivalent energy (ecan be calculated as the mass (mmultiplied by the speed of light ( about /ssquared write program that accepts the mass of an object and determines its energy presume that ladder is put upright against wall let variables length and angle store the length of the ladder and the angle that it forms with the ground as it leans against the wall write python program to compute -