Explore topic-wise MCQs in Mathematics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

A vessel of conical shape of radius 14cm and slanted height 20cm is to be coloured. What is the cost of painting at a rate of 2/cm2? (Take = ( frac{22}{7} ))

A. 1540
B. 1660
C. 1760
D. 1500
Answer» D. 1500
2.

A tent of conical shape of base radius 28m and slanted height 20m is to be made from a certain material. What is the total cost of clothing material if the rate of material is 80/m2? (Take = ( frac{22}{7} ))

A. 140800
B. 150000
C. 130500
D. 140000
Answer» B. 150000
3.

The curved surface area of a cone is 1980 cm2 and its radius is 21cm, what is the slanted height of a cone? (Take = ( frac{22}{7} ))

A. 25cm
B. 28cm
C. 35cm
D. 30cm
Answer» E.
4.

What is the total surface area of a cone of radius 7cm and height 24cm? (Take = ( frac{22}{7} ))

A. 710 cm<sup>2</sup>
B. 704 cm<sup>2</sup>
C. 700 cm<sup>2</sup>
D. 725 cm<sup>2</sup>
Answer» C. 700 cm<sup>2</sup>
5.

The total surface area of a cone of base radius r and slanted height l is equal to __________

A. rl + 2 r<sup>2</sup>
B. 2 rl + 2 r<sup>2</sup>
C. rl + r<sup>2</sup>
D. 2 r<sup>2</sup>
Answer» D. 2 r<sup>2</sup>