25 times the square of a number is 400. Which is the number?
2
8
4
12
A simple linear eqution in one variable can be written in the form
ax + b = 0
a + b= c
ax + by = c
None
(-1) satisfies
2x - 1 = -3
2x + 2 = -3
2x + 3 = 2
2x + 1 = 3
Find the solution of 3x + 5 = 12
-7/3
7/3
17
-17
10 years ago, the age of B is 10 times of C. The ratio of present ages of B and C is 4:1. Find the present age of B
45
50
60
55
Solution of 6.75x - 11.25 = 9x + 0.375, is
-5 1/6
-6 1/5
5 1/6
6 1/5
Three numbers are in the ratio 1:2:4 and their product is 125. The middle term is
7
9
5
The angles of a triangle are x°, x + 15° and 2x - 15°. The smallest angle of the triangle is
60°
75°
45°
15°
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 grandfather is ten times older than his granddaughter. He is also 54 years older than her, then thier present ages are
6, 60
6, 54
10, 54
10, 60
