Number of variables in a simple linear equation is _____________.
Two
One
Zero
None of these
The algebraic expression for the statement : product of x and a subtracted from the product of b and y.
ax - by
x + a - by
by - ax
xa - b - y
The equation for the statement :'half of a number added to 10 is 15'
x/2 + 10 + 5
x/2 + 10 = 15
x/2 + 15 = 10
x/2 = 10 + 15
A number is multiplied by 6 and 12 is added to the product.The result is 84 then the number is
- 12
72
+ 12
- 72
Half of a number is added to 18 then the sum is 46, the number is
92
56
65
0
Value of x in x/4 + 1/2 = 4
+ 28
- 28
+ 14
- 14
The length of a rectangle is 12 m and its area is 72 m.Then the breadth equals to
72 m
60 m
6 m
9 m
In the given figure magnitude of angles shown are
40o, 135o
45o,130o
45o ,135o
180o
' 6 less than ten times a ' is written as
6 - 10a
10a - 6
10 ac
6 < 10 × a - b
Ages of two friends are in the ratio 2 : 1.If the sum of their ages is 51 then their ages are.
34 years , 20 years
34 years,17 years
20 years, 10 years
30 years, 15 years