Mensuration Model Questions Set 2 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 16

A rectangle carboard is 18 cm × 10 cm. From the four corners of the rectangle, quarter circles of radius 4 cm are cut. What is the perimeter (approximate) of the remaining portion?

a) 51.0 cm

b) 47.1 cm

c) 49.1 cm

d) 53.0 cm

Question : 17

In a Δ ABC, AD is the median through A and E is the mid– point of AD and BE produced meets AC at F. Then, AF is equal to

a) AC/ 3

b) AC/ 5

c) AC/ 4

d) AC/ 2

Question : 18

A cardboard sheet in the form of a circular sector of radius 30 cm and central angle 144º is folded to make a cone. What is the radius of the cone?

a) 21 cm

b) 12 cm

c) 18 cm

d) None of these

Question : 19

Using the data in the above question, what is the breadth of the rectangle ?

a) 8

b) 6

c) 12

d) 10

Question : 20

In the given triangle, AB is parallel to PQ. AP = c, PC = b, PQ = a, AB = x. What is the value of x?

a) $b + {ca}/b$

b) $a + {ab}/c$

c) $a + {bc}/a$

d) $a + {ac}/b$