1)

If the diameter of the base of a cone is 56 cm and its curved surface area is 3080 cm2, then what will be its volume (in cm3)? (Use π = 22/7)

SSC CGL Mains 2024

A)

12250

B)

15391

C)

14670

D)

17248

2)

Find the volume (in cm³, rounded off to 2 decimal places) of a right circular cone of diameter 12 cm and height 5 cm. [Use π = 22/7 ]

SSC CGL Mains 2024

A)

197.25

B)

188.57

C)

147.23

D)

156.39

3)

A toy is in the form of a cone mounted on a hemisphere. The radius of the hemisphere and that of the cone is 36 cm and height of the cone is 105 cm. The total surface area (in cm2) of the toy is:

SSC CGL Mains 2024

A)

5240 π

B)

6025 π

C)

6588 π

D)

5799 π

4)

The height of a right circular cone is 63 cm and the area of its curved surface is five times the area of its base. What is the volume (in cm³) of the cone? (Use π = 22/7)

SSC CGL Mains 2024

A)

10914.75

B)

13540.25

C)

12589.10

D)

11234.65