2 is a solution of
x + 1 = 4
x - 1 = 1
x + 2 = 2x - 1
2x - 6 = 1
Three numbers are in the ratio 1:2:4 and their product is 125. The middle term is
2
7
9
5
Solution of 6.75x - 11.25 = 9x + 0.375, is
-5 1/6
-6 1/5
5 1/6
6 1/5
The equation 5x + 7 = 8 is the same as:
5x + 7 - 7 = 8 - 7
5x + 7 - 9 = 9 - 3
5x/5 + 7/7 = 8/8
5x + 8/7
The ratio of girls and boys in a school is 3:7. The number of boys is more by 400 than that of girls. What is the number of boys in the school?
300
700
100
500
Find the solution of 3x + 5 = 12
-7/3
7/3
17
-17
The present age of Suresh is 3 times more than his brother. 3 years ago the age of Suresh was 6 times more than his brother. Find the present age of his brother?
6
15
12
The sum of three consecutive numbers is 600. Find the smallest one in that.
200
201
202
199
If we divide 160 into parts such that second part is 12 more than the thrice of the first part, then the two parts are
73, 321
37, 321
37, 123
73, 123
A simple linear eqution in one variable can be written in the form
ax + b = 0
a + b= c
ax + by = c
None
