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Surface Areas & Volumes

 A plumbline (sahul) is the combination of (see Figure)

(A) a cone and a cylinder (B) a hemisphere and a cone (C) frustum of a cone and a cylinder (D) sphere and cylinder

08/11/2024

Mathematics

10th

Surface Areas & Volumes

A surahi is the combination of

(A) a sphere and a cylinder (B)  a  hemisphere  and  a  cylinder (C) two hemispheres (D) a cylinder and a cone.

08/11/2024

Mathematics

10th

Surface Areas & Volumes

A cylindrical pencil sharpened at one edge is the combination of

(A) a cone and a cylinder (B) frustum of a cone and a cylinder (C) a hemisphere and a cylinder (D) two cylinders.

08/11/2024

Mathematics

10th

Surface Areas & Volumes

The volume of the largest right circular cone that  can be cut out from a cube of edge 4.2 cm is

(A) 9.7 cm3 (B) 77.6 cm3 (C) 58.2 cm3 (D) 19.4 cm3

08/11/2024

Mathematics

10th

Surface Areas & Volumes

A cubical ice cream brick of edge 22 cm is to be distributed among some children by filling ice cream cones of radius 2 cm and height 7 cm upto its brim. How many children will get the ice cream cones?

(A) 163 (B) 263 (C) 363 (D) 463

08/11/2024

Mathematics

10th

Surface Areas & Volumes

If a marble of radius 2.1 cm is put into a cylindrical cup full of water of radius 5cm and height 6 cm, then how much water flows out of the cylindrical cup?

(A) 38.8 cm3 (B) 55.4  cm3 (C) 19.4  cm3 (D) 471.4 cm3

08/11/2024

Mathematics

10th

Surface Areas & Volumes

A funnel (see Figure) is the combination of

(A) a cone and a cylinder (B) frustum of a cone and a cylinder (C) a hemisphere and a cylinder (D) a hemisphere and a cone

08/11/2024

Mathematics

10th

Area Related To Circles

Find the difference of the areas of a sector of angle 120° and its corresponding major sector of a circle of radius 21 cm.

08/11/2024

Mathematics

10th

Area Related To Circles

Find the difference of the areas of two segments of a circle formed by a chord of length 5 cm subtending an angle of 90° at the centre.

08/11/2024

Mathematics

10th

Area Related To Circles

Find the number of revolutions made by a circular wheel of area 1.54 m2 in rolling a distance of 176 m.

08/11/2024

Mathematics

10th