(F) 6 a
(G) 5 a − 1
(H) 52 a + 1
(J) (5a)a − 1
(K) 6(5a)
- If m and n are prime numbers greater than 2, which of the following could also be a prime number?
(A) m + n
(B) m + n − 1
(C) m + n − 2
(D) mn
(E) mn + 1
- X, Y, and Z are points on a line in that order. XY is 20, and YZ is 15 more than XY. What is XZ?
(F) 25
(G) 35
(H) 45
(J) 55
(K) 65
If s is a positive integer, what is the least value for s for which is an integer?
55.
(A) 2
(B) 3
(C) 6
(D) 9
(E) 24
- If the value of a house rises by 20 percent, what is the ratio of the increase in the house’s value to the new value of the house?
