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Find amount of water wasted after filling the tank
  • Last Updated : 23 Apr, 2019

Given the volume V of a tank in liter. There is a pump which is filling the tank at speed of M liter per minute. There is a leakage at the bottom of the tank which wasting water at speed N liter per minute. Given N is less than M. The task is to calculate how much amount of water will be wasted if leakage is seen after filling the full tank.

Examples:

Input : V = 700, M = 10, N = 3
Output : 300

Input : V = 1000, M = 100, N = 50
Output : 1000

Approach : Given the speed of filling pump is M liter per minute. So, the amount of water filled in one minute is M Liter. Also, N litres of water is wasted in a minute. Therefore after one minute the amount of water in the tank will be (M – N). Hence total time taken to fill the tank with leakage will be V / (M-N).

Therefore the amount of wasted water will be (V / (M-N)) * N.

Below is the implementation of the above approach:

C++




// C++ program to find the volume of water wasted
  
#include <iostream>
using namespace std;
  
// Function to calculate amount of wasted water
double wastedWater(double V, double M, double N)
{
    double wasted_amt, amt_per_min, time_to_fill;
  
    // filled amount of water in one minute
    amt_per_min = M - N;
  
    // total time taken to fill the tank
    // because of leakage
    time_to_fill = V / amt_per_min;
  
    // wasted amount of water
    wasted_amt = N * time_to_fill;
  
    return wasted_amt;
}
  
// Driver code
int main()
{
    double V, M, N;
    V = 700;
    M = 10;
    N = 3;
    cout << wastedWater(V, M, N) << endl;
  
    V = 1000;
    M = 100;
    N = 50;
    cout << wastedWater(V, M, N) << endl;
  
    return 0;
}


Java




// Java program to find the 
// volume of water wasted
class GFG
{
      
// Function to calculate amount of wasted water
static double wastedWater(double V, double M, double N)
{
    double wasted_amt, amt_per_min, time_to_fill;
  
    // filled amount of water in one minute
    amt_per_min = M - N;
  
    // total time taken to fill the tank
    // because of leakage
    time_to_fill = V / amt_per_min;
  
    // wasted amount of water
    wasted_amt = N * time_to_fill;
  
    return wasted_amt;
}
  
// Driver code
public static void main(String[] args)
{
    double V, M, N;
    V = 700;
    M = 10;
    N = 3;
    System.out.println(wastedWater(V, M, N)) ;
  
    V = 1000;
    M = 100;
    N = 50;
    System.out.println(wastedWater(V, M, N));
}
}
  
// This Code is Contributed by Code_Mech.


Python3




# Python3 program to find the volume 
# of water wasted
  
# Function to calculate amount 
# of wasted water
def wastedWater(V, M, N):
  
    # filled amount of water in one minute
    amt_per_min = M - N
  
    # total time taken to fill the tank
    # because of leakage
    time_to_fill = V / amt_per_min
  
    # wasted amount of water
    wasted_amt = N * time_to_fill
  
    return wasted_amt
  
# Driver code
V = 700
M = 10
N = 3
print(wastedWater(V, M, N))
  
V = 1000
M = 100
N = 50
print(wastedWater(V, M, N))
  
# This code is contributed by Shrikant13


C#




// C# program to find the 
// volume of water wasted
using System;
  
class GFG
{
          
    // Function to calculate amount of wasted water
    static double wastedWater(double V, double M, double N)
    {
        double wasted_amt, amt_per_min, time_to_fill;
      
        // filled amount of water in one minute
        amt_per_min = M - N;
      
        // total time taken to fill the tank
        // because of leakage
        time_to_fill = V / amt_per_min;
      
        // wasted amount of water
        wasted_amt = N * time_to_fill;
      
        return wasted_amt;
    }
      
    // Driver code
    public static void Main()
    {
        double V, M, N;
        V = 700;
        M = 10;
        N = 3;
        Console.WriteLine(wastedWater(V, M, N)) ;
      
        V = 1000;
        M = 100;
        N = 50;
        Console.WriteLine(wastedWater(V, M, N));
    }
}
  
// This Code is Contributed by ihritik


PHP




<?php
  
// PHP program to find the 
// volume of water wasted
  
// Function to calculate amount of wasted water
function wastedWater($V, $M, $N)
{
  
    // filled amount of water in one minute
    $amt_per_min = $M - $N;
  
    // total time taken to fill the tank
    // because of leakage
    $time_to_fill = $V / $amt_per_min;
  
    // wasted amount of water
    $wasted_amt = $N * $time_to_fill;
  
    return $wasted_amt;
}
  
// Driver code
  
$V = 700;
$M = 10;
$N = 3;
echo wastedWater($V, $M, $N), "\n";
  
$V = 1000;
$M = 100;
$N = 50;
echo wastedWater($V, $M, $N);
  
// This Code is Contributed by ihritik
  
?>


Output:

300
1000

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