GRE Math Problem 74

If of a number is 7 more then of the number. What is of the number?
(A) 12
(B) 15
(C) 18
(D) 20
(E) 24

Solution for GRE Math Problem 73:
In order to determine the total number of players we have to multiply the number of players in one team by the number of teams in one division by the number of divisions. We’ll get dtp
Answer: (B) dtp

GRE Math Problem 63

c and d are positive

Column A	Column B
c	d

Solution for GRE Math Problem 62:
Point (a,b) lays in the quarter where x<0 and y>0. So, a<0 and b>0 and b>a
Answer:B

GRE Math Problem 44

Which of the following fractions is the LEAST?
(A)
(B)
(C)
(D)
(E)

Solution for GRE Math Problem 43:

As , then x=3y. Putting this to 3x-4y=5, we’ll get 9y-4y=5, y=1. Therefore, x=3
Answer:(D)

GRE Math Problem 34

Compare two values:

Column A	Column B

Solution for GRE Math Problem 33:

The number of men is 3x and the nuber of women is 2x employees. Total 5x = 240. Then, x = 48 and 3x = 144.

Answer: (D) 144

GRE Math Problem 23

Compare two values:

Column A	Column B
	(.333)(.666)

Solution for GRE Math Problem 22:

The units digit of a number in the power is influenced by the units digit of the initial number. the units digit of 14 is 4. Then, 4²=16, and the units digit of 14² will be 6. The units digit of 14³ and be found as 6x4=24, it will be 4 again. So, in the odd powers, the units digit of 14 will be 4, and in the vene powers it will be 6.
As for 16, all the powers of the number, which ends with 6, will end wilh 6. Therefore, the columns are equal.
Answer:C