{ MATHSPRO.PAS }
{ In this program a set of questions are asked and user has to find }
{ the correct answers. }
{ }
{ Author: Unknown }
{ Datum:20.01.2009 http://www.trsek.com }
program maths_problem;
uses crt;
var
x: integer;
x2:integer;
y:integer;
z:integer;
u:integer;
counter:integer;
begin
clrscr;
counter := 0;
textcolor (yellow+blink);
writeln(' PLEASE USE A ROUGH PAPAER FOR YOUR WORKING!! THANK YOU!!');
writeln;
writeln;
writeln;
textcolor (15);
writeln('1) John has x pencils and Kate has 7 pencils. Mike has 2x+y pencils.');
writeln(' together John and Kate have 10 pencils and Mike has 15 pencils.Find x,2x and y');
write ('ans of x is ');
readln(x);
if (x = 3)
then
begin
writeln;
writeln ('Correct answer');
end
else
begin
writeln;
writeln ('Wrong answer');
end;
writeln;
write ('ans of 2x is ');
readln(x2);
if (x2 = 6)
then
begin
writeln;
writeln ('Correct answer');
end
else
begin
writeln;
writeln ('Wrong answer');
end;
writeln;
write ('ans of y is ');
readln(y);
if (y=9)
then
begin
writeln;
writeln ('Correct answer');
end
else
begin
writeln;
writeln ('Wrong answer');
end;
if (x = 3) and (x2 = 6) and (y=9)
then
begin
counter := counter + 1;
end;
writeln;
writeln;
writeln;
writeln;
writeln;
writeln;
writeln;
writeln ('2) Sam has G+y-z candy and Mary has 10 more candy then Sam.');
writeln (' Together Sam and Mary have 50 pieces of candy. Find z if G=10,y=G+5.');
writeln;
Write ('ans of z is ');
read(z);
if (z=5)
then
begin
writeln;
writeln ('Correct answer');
counter :=counter+1;
end
else
begin
writeln;
writeln ('Wrong answer.');
end;
writeln;
writeln;
writeln;
writeln;
writeln;
writeln;
writeln;
writeln ('3) Alis has 9-i plants and Mark has u+i plants.');
writeln (' Together They have 16 plants.Find u if i=4.');
writeln;
Write ('ans of u is ');
read(u);
if (u=7)
then
begin
writeln;
writeln ('Correct answer');
counter :=counter+1;
end
else
begin
writeln;
writeln ('Wrong answer.');
end;
writeln;
writeln;
writeln;
if counter = 3 then
begin
textcolor (blue+blink);
writeln(' Congratulations all answers are correct!!!');
end;
if counter = 2 then
begin
textcolor (green+blink);
writeln (' You scored 2 out of 3');
end;
if counter = 1 then
begin
textcolor (yellow+blink);
writeln (' You scored 1 out of 3');
end;
if counter = 0 then
begin
textcolor (red+blink);
writeln (' Sorry all your answers are incorrect');
end;
readkey;
end.