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A sphere is inscribed in a cube with an edge of 10. What is the shortest possible distance from one of the vertices of the cube to the surface of the sphere?

A 10(root(3)-1)

B 5

C 10(root(2)- 1)

D 5(root(3)-1)

E· 5(root(2)- 1)

- 11Comments
- D. 1d.

Is a + b > c + d ?

(1) a> c

(2) d

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C Both statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.

D EACH statement ALONE is sufficient.

E Statements (1) and (2) TOGETHER are NOT sufficient.

- there is no clarity in statement 2. Complete the statement. 1d.

If x is not equal to 0, is Ixl less than 1?

(1) x / |xl < x

(2) |x| > x

A Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C Both statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.

D EACH statement ALONE is sufficient.

E Statements (1) and (2) TOGETHER are NOT sufficient.

- 17Comments
- alone statement 1. 1d.
- what is oa. 1d.

When a cylindrical tank is filled with water at a rate of 22 cubic meters per hour, the level of water in the tank rises at a rate of 0.7 meters per hour. Which of the following best approximates the radius of the tank in meters?

A root10/2

B root10

C 4

D 5

E 10

- 4Comments
- B?. 1d.
- rt10. 1d.