Question

4. Given the values of three variables a, b and c, write a program to compute and display
the value of x, where
x = a
_______
b - c
Execute your program for the following values:
(a) a = 250, b = 85, c = 25
(b) a = 300, b = 70, c = 70
Comment on the output in each case.

Answer 1

Answer:

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Answer 2

program for(a)

#include<iostream.h>

#include<stdio.h>

void main()

{

int a = 250, b = 85, c = 25;

x = a-b-c;

cout("solve for x, thus x=")<<endl;

return 0;

}

program for (b)

#include<iostream.h>

#include<stdio.h>

void main()

{

int a = 300, b = 70, c = 70;

x = a-b-c;

cout("solve for x, thus x=")<<endl;

return 0;

}

Output:

x = a - b - c

(a) a = 250, b = 85, c = 25

x = 250 - 85 - 25

  = 140

The value of x in first case that is (a) is 140.

(b) a = 300, b = 70, c = 70

x = 300 - 70 - 70

   = 160

The value of x in first case that is (b) is 160.

As computer here takes DMAS(division, multiplication, addition, subtraction) because here none of parenthesis is used if the question was a-(b-c) then output would be different.

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