25th January 2025 MCQ Revision Test @ Indefatigables 25,DBSSSDMA

If l, b and h are length, breadth and height of a cuboid, then the diagonal of the cuboid is ......

• l + b + h

• l x b x h

The perimeter of a circle having radius 5 cm is equal to .........

• 30

• 3.14  

• 31.4

• 40

Surface area of a sphere is 616 cm². The radius of the sphere will be ......

• 7 cm

• 14 cm

• 49 cm

• 22 cm

If the volumes of two sphere are in the ratio 64 : 27 , the ratio of their Surface area is ………

• 1 : 2

• 2 : 3

• 9 : 16

• 16: 9

Two cubes each of volume 64 cm3 are joined end to end. The volume of the resulting cuboid is .....

• 160 cm³

• 128 cm³

• 180 cm³

• 250 cm³

Radius of a wheel is 28 cm . Its perimeter in cm is ..........

• 180

• 2800

• 210

• 176

If the circumference of a circle is 44 cm , then its area in cm² is .............

• 276

• 154

• 44

• 176

If the area of a circle is numerically equal to twice its perimeter then the diameter of the circle will be ........

• 6

• 4

• 8

• 2

The ratio of surface area and its volume of a sphere of radius r is ............

• 3 : r

• r : 3

• 1 : 1

• 1 : 3

Two cubes of volume 64 m³ each are connected head to head. Surface area of the resultant Cuboid is ......

• 140 m²

• 160 m²

• 100 m²

• 130 m