MISSION CGL MAINS 2015 : Advanced Quant Quiz

3.If AB is a chord of a circle, P and Q are the two points on the circle different from A and B, then:

(1) The angles subtended at P and Q by AB are always equal

(2) The sum of the angles subtended by AB at P and Q is always equal to two right angles

(3) The angles subtended by AB at P and Q are either equal or supplementary 

(4) The sum of the angles subtended at P and  Q is to four right angles

4.If a right circular cone of height 24 cm has a volume  of 1232 cm3 then the area of its curved surface ( ԉ = 22/7) is

(1) 1254 cm^2

(2) 704 cm^2

(3) 550 cm^2

(4) 154 cm^2

5.Spheres A and B have their radii 40 cm and 10 cm respectively. Ratio of surface area of A to the surface area of B is :

(1) 1 : 16

(2) 4 : 1

(3) 1 : 4

(4) 16 : 1

6.A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 11.2 cm and its length is 21 cm. The metal everywhere is 0.4 cm thick. The volume of the metal 

(Take ԉ = 22/7) is∶

(1) 316 cm^3

(2) 310 cm^3

(3) 306.24 cm^3
(4) 280.52 cm^3     

Answers Key :

1.(2)

2.(2)

3.(3)

4.(3)

5.(4)

6.(3)

7.(2)

8.(1)

9.(3)

10.(2)