A wire when bent into the form of a square encloses an area of 121 sq. cm. if the wire is bent in the form of a circle, then what would be the area?

The digits of a two-digit number differ by 5. If you interchange the digits, the sum of the resulting number and the original number is 99. Then the original number is
i) 43                                         ii) 45
iii) 36                                        iv) 27

From which one of the following pair of points the point (0,0) is equidistant?
1) (-1,0),(1,0)                        2) (-2,0),(1,0)
3) (0,2),(0,1)                         4) (0,-2),)(0,-1)

Girija has a gold coin of 150 gms. She distributed
of the coin to her daughters. Now how much gold is left with Girija?

If of 49 + 20% of 130 is equal to x + 49, then x is
i) 10                    ii) 12
iii) 16                  iv) 18

Verify the relationship V + E - F = 0 for the five regular polyhedra, where V is the number of vertices, E is the number of edges and F is the number of faces.

Simplify the following