If 12 b + 4 = 100, then b = _________.
9
8
7
6
If x + y = 7
3 x + 4 y = 23 then the solution of the equation by the method of substitution is
x = 4, y = 2
x = 5 , y = 2
x = 5, y = 4
x = 4, y = 4
Find the size of each of the angles in the quadrilateral given below (fig)?
40o,100o,100o,120o
40o,110o,90o,120o
50o,100o,100o,110o
40o,110o,100o,120o
A man is 26 years older than his son.After 10 years, he will be three times as old as his son.Find their present ages?
3 years, 29 years
4 years , 30 years
5 years, 35 years
4 years, 28 years
If , then the value of m is
None of these
, then the value of x is
13
The solution of the equation
e = 2
e = 3
e = 4
e = 6
8 d - 9 = 7 d + 4, then d = ________.
5
4
9/15
Find the solution of the equation by the method of substitution 5x - 2y = 0
2x + 5y = 29
x = 5, y = 2
x = 2, y = 5
x = -2, y = -5
x = -5, y = -2
Find the size of each of the angles in the following traingle.
90o,40o,60o
90o,85o,5o
90o,70o,20o
90o,40o,40o
