The angles of a triangle are x°, x + 15° and 2x - 15°. The smallest angle of the triangle is
60°
75°
45°
15°
(-1) satisfies
2x - 1 = -3
2x + 2 = -3
2x + 3 = 2
2x + 1 = 3
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?
5
6
15
12
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
A simple linear eqution in one variable can be written in the form
ax + b = 0
a + b= c
ax + by = c
None
A polynomial is said to be linear if its deree is
2
3
0
1
The sum of three consecutive numbers is 600. Find the smallest one in that.
200
201
202
199
2 is a solution of
x + 1 = 4
x - 1 = 1
x + 2 = 2x - 1
2x - 6 = 1
25 times the square of a number is 400. Which is the number?
8
4
solve 7x - 2 = 4x + 5/3 - 2x
-15/11
-11/15
15/11
11/15