The perimeter of a rectangle is 12 and its width is 2. Find the length
3
6
4
8
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
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
The equation 2x + 1 = 5 is identical to
3x + 1 = 5
4x + 3 = 10
x = 4
6x + 3 = 15
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
(-1) satisfies
2x - 1 = -3
2x + 2 = -3
2x + 3 = 2
2x + 1 = 3
A simple linear eqution in one variable can be written in the form
ax + b = 0
a + b= c
ax + by = c
None
The sum of two natural numbers is 20. If one number is one-fourth of the other, then the numbers are,
10, 10
15, 5
18, 2
16, 4
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
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
15
12
