CAT Exam

The diameter of a hollow cone is equal to the diameter of a spherical ball. If the ball is placed at the base of the cone, what portion of the ball will be outside the cone?

(a) 50%

(b) less than 50%

(c) more than 50%

(d) 100%

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CAT Other Question
The length of a ladder is exactly equal to the height of the wall it is learning against. If lower end of the ladder is kept on a stool of height 3 m and the stool is kept 9 m away from the wall, the upper end of the ladder coincides with the top of the wall. Then the height of the wall is

a. 12 m

b. 15 m

c. 18 m

d. 11 m Which one of the following cannot be the ratio of angles in a right-angled triangle ?

a. 1 : 2 : 3

b. 1 : 1 : 2

c. 1 : 3 : 6

d. None of these