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

Question : 21

In the figure given above, AB is a diameter of the circle with centre O and EC = ED. What is ∠EFO?

a) 25°

b) 15°

c) 20°

d) 30°

Question : 22

If the sum of the circumferences of two circles with radii $R_1$ and $R_2$ is equal to the circumference of a circle of radius R, then

a) $R_1 + R_2$ < R

b) $R_1 + R_2$ = R

c) $R_1 + R_2 > R_3$

d) Nothing definite can be said about the relation among $R_1.R_2$ and R

Question : 23

Assertion (A)
Triangles on the same base and between the same parallel lines are equal in area.
Reason (R)
The distance between two parallel lines is same everywhere.

a) A is true but R is false

b) Both A and R individually true and R is the correct explanation of A

c) Both A and R are individually true but R is not the correct explanation of A

d) A is false but R is true

Question : 24

The cross section of a canal is a trapezium in shape. If the canal is 7 metres wide at the top and 9 metres at the bottom and the area of cross-section is 1280 square metres, find the height of the canal.

a) 154 metres

b) 160 metres

c) 172 metres

d) None of these

Question : 25

In the figure given above, what is ∠CBA?

a) 50°

b) 30°

c) 45°

d) 60°