Was the median height of the 25 children in a certain class at least 2 percent greater than the average (arithmetic mean) height of the 25 children?

(1)

The median height of the 25 children was 2 centimetefs greater than their average height.

(2)

The sun of the heights of the 25 children was less than 2,550 centimeters.

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 suf ficient.

C.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE Is sufficient.

D.

EACH statement ALONE Is sufficient.

E.

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

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

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

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

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

What is the median of the numbers in set A?

(1)

n is even.

(2)

n is less than 7.

A.

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

B.

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

C.

BOTH statements TOGETHER ace sufficient, but NEITHER statement ALONE Is sufficient.

D.

EACH statement ALONE is sufficient.

E.

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

Machine K and machine N, working simultaneously and independently at their respective constant rates, processed =?of the shipment of a certain chemical product in 1.6 hours. Then machine K stopped working, and machine N, working alone at Its constant rate, processed the rest of the shipment In 2 hours. How many hours would It have taken machine K, working alone at its constant rate, to process the entire shipment?

A. 3.8

B. 4.0

C. 4.8

D. 5.4

E. 6.0

Mark Twain's financial troubles stemmed from a lavish lifestyle and poor investments in such a dubious invention as a "patent baby clamp," designed to prevent infants from kicking off their blankets, and an extraordinarily complicated and undependable typesetting machine.

A. poor investments in such a dubious invention as

B. poor investments in such dubious inventions as

C. included such poor investments as in the dubious inventions of

D. such poor investments, as in the invention of

E. such poor investments in dubious inventions as