MATH PRACTICE FOR GMAT/GRE/SAT #PART 1

1 .The remainder when the positive integer m is divided by n is r. What is the remainder when 2m is divided by 2n ?
(A) r
(B) 2r
(C) 2n
(D) m – nr
(E) 2(m – nr)

2. If 1 < p < 3, then which of the following could be true?
(I) p2 < 2p
(II) p2 = 2p
(III) p2 > 2p
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III

3.If 42.42 = k(14 + m/50), where k and m are positive integers and m < 50, then what is the value of k + m ?
(A) 6
(B) 7
(C) 8
(D) 9
(E) 10 


THE ANSWER IS AVAILABLE ON PRINTED EDITION (ADAPTED FROM NOVA MATH BIBLE)