75o
70o
60o
65o
3 x + 8 = 3 x - k then k =
8
-8
6
-6
Age of a girl is 11 years. What is the age after x years.
x
11 + x
11 - x
11 x
3 x + 11= 5 x - 2 then x =
10
13
13/2
Sum of the ages of Gopi and his father is 35. If father's age is 32, then Gopi's age is
1
2
3
4
2 x + 5 = k then x =
k - 5
k - 5/2
k + 5/2
k/2 - 5
In a triangle the three sides are x, 2 x and x +3. If the perimeter is 23 m, the largest side is
8 m
10 m
15 m
16 m
Twice of a number plus 7 is 18. Write a simple equation for this
x + 7 = 18
x - 7 = 18
2 x - 7 = 18
2 x + 7 = 18
If the LHS and RHS of an equation are interchange then their values
increase
decrease
remain the same
none of these
RHS of y - 11= 9 is
9
11
y
y -11
