Data for Question 1 to 10
Variables	Value
a	60		Question 1		Calculate the sum of:			all variables
b	30
c	50		Question 2		Calculate the sum of variables:			(a,b,c,d)
d	80
e	55		Question 3		Calculate the sum of variable:			(k,l,m,n,o)
g	100
h	150		Question 4		Calcualte the value:			2*a + 3*b + 4*c
e	30
k	65		Question 5		Calcualte the value:			3.5*a - 10.5*b - 8*c + q
l	95
m	100		Question 6		Calcualte the value:			200*o + 150*p - 2.5*q
n	250
o	150		Question 7		Calcualte the value of 2*(sum of all value)
p	1000
q	150		Quesiton 8		Calcualte the value of (sum of all value)/5
			Question 9		Calcuate the value:			a*b - c/d + e/5
			Question 10		Calcuate the value:			10*a - 2*b + 10*h/5