Pearson IIT Foundation Mathematics Class 8>Chapter 14 - Mensuration>PRACTICE QUESTIONS COMPETITION WING>Q 61

MEDIUM

8th Foundation

IMPORTANT

Earn 100

A fountain pen with a cylindrical barrel of diameter $2 cm$ and height $10.5 cm$ , filled with ink, can write $3300$ words. How many words can be written with the pen using $100 ml$ of ink(Take $1 cc = 1 ml)$

50% studentsanswered this correctly

Important Questions on Mensuration

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 14 - Mensuration>PRACTICE QUESTIONS COMPETITION WING>Q 62

From a solid cube of side

6

feet, a square hole of side

2

feet is punched through between a pair of opposite faces. The volume (in cu. feet) of the remaining solid is _____

HARD

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 14 - Mensuration>PRACTICE QUESTIONS COMPETITION WING>Q 63

The radius and slant height of a cone are in the ratio

8 : 17

. If its curved surface area is

544 π {cm}^{2}

, then find its volume.

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 14 - Mensuration>PRACTICE QUESTIONS COMPETITION WING>Q 64

Find the number of coins,

3 cm

in diameter and

1 cm

in thickness to be melted to form a right-circular cylinder of height

10 cm

and diameter

9 cm

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 14 - Mensuration>PRACTICE QUESTIONS COMPETITION WING>Q 65

The sides of a triangle are

45 cm, 60 cm

and

75 cm

. Find the length of the altitude drawn to the longest side from its opposite vertex(in

cm

).