1. If Bob gives 1/4th of his marbles to Joe, then Bob will have the same number of marbles as Joe has. If Joe gives 1/4th of his marbles to Bob, then Bob will have three times the number of marbles Joe has. How many marbles did Bob originally have?
A. 12
B. 18
C. 20
D. 24
E. 30
2. Jim, Mary and Rick played a game of poker. At the end of the game, Jim had $12 more than Mary had, but only half of what Rick had. If each player started the game with $20 each, then how much did Jim win or lose?
A. $ 6 loss
B. $ 2 loss
C. $ 6 gain
D. $18 gain
E. $24 gain
3. If √(3^n )=81, then n =
A. 2
B. 4
C. 6
D. 8
E. 10
4. What least number must be subtracted from 12702 to get number exactly divisible by 99?
A. 49
B. 30
C. 29
D. 31
E. 33