SSC GD MATHS QUIZ

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Question 1:

Two right circular cylinders A and B have radii in the ratio $5: 2$ and their heights in the ratio $7: 5$. Find the ratio of curved surface areas of curves $A$ and $B$.

Question 2:

A sphere of radius $9 \mathrm{~cm}$ is moulded to form a cylinder of radius $3 \mathrm{~cm}$. Find the height of the cylinder.

Question 3:

The diameter of a wheel is 1.26 m. The distance covered by the wheel in 500 revolutions is

Question 4:

The area of a rectangle is equal to the area of a square whose diagonal is $4 \sqrt{6} \mathrm{~cm}$. If the ratio of the length and width of the rectangle is $4: 3$, then find the perimeter of the rectangle?

Question 5:

The ratio of length and breadth of a Rectangle is 5:4, and the perimeter of the same rectangle is 180 . Then find the Area of the Rectangle.

Question 6:

The diagonal of a square is$4 \sqrt{2} \mathrm{~cm}$. The diagonal of another square whose area is double that of the first square is :

Question 7:

The radius of a sphere is $6 \mathrm{~cm}$. The sphere is melted and drawn into a wire of radius $0.4 \mathrm{~cm}$. The length of the wire (in m) is:

Question 8:

The ratio of the heights of two cones is $2:1$ and the ratio of their radii is $1:2$. Find the ratio of their volumes.

Question 9:

The lengths of the sides of a right-angled triangle are in the ratio 5: 12: 13 and its perimeter is 90 cm. What is the area (in cm$^2$ ) of the triangle ?

Question 10:

How many small solid spheres of radius $5 \mathrm{~mm}$ can be made from a solid metallic cone of base radius $21 \mathrm{~cm}$ and height of $40 \mathrm{~cm}$?