Math Practice (not finished)
2/3(J+T)
1/10(J + T)
Which is true? A) 2/25 < 1/10 B) 1/10 > 3/30 C) 2/28 < 3/35 D) 5/13 = 4/5
A) 2/25 < 1/10
12000
1200
2000
1400
2 1/2
2 2/5
74
215
2x/t - z
2x/t + z
3 hrs 46 min 36 sec
3 hrs 24 min 22.5 sec
41
35
220
55
6 + √2
6 + √2
22°
72°
120°
90°
150
< 50
X - X/2 = ? A) X/2 B) 2X C) 4X D) 3X/2
A) X/2
A marine fired X rounds of ammunition, gave 2X to his buddy, and had 27 remaining in a magazine. If this accounted for 120 rounds in all, then X = ? A) 30 B) 31 C) 93 D) 120
B (27 = 120 - X - 2X)
(0.2)² = ? A) 0.02 B) 0.04 C) 0.2 D) 0.4
B) 0.04
The destruction of a particular bridge requires 3 1/2 tons of C4 explosive. How many tons of C4 would be required to destroy 1/3 of the bridge? A) 1 B) 1 1/16 C) 1 1/3 D) 2 1/4
B) 1 1/6 ( ( 3 1/2 ) / (3) = 1 1/6 )
The avg of 1/25 and 1/100 is ? A) 1/50 B) 1/40 C) 1/20 D) 5/100
B) 1/40
In the figure, if ACD is a straight line and AB = BC, then X = ? A) 90 B) 135 C) 145 D) 180
B) 135
Which is the following fractions is the largest? A) 1/2 B) 3/4 C) 5/8 D) 11/16 E) 23/32
B) 3/4
If 3 times x exceeds 1/3 of y by 9, which of the following is the equation that shows the relationship between x and y? A) 3x > 1/3y + 9 B) 3x - 1/3y = 9 C) x - 3y =3 D) 9x > y +27
B) 3x - 1/3y = 9
If 100 times x is between 50 and 100, then x could be ? A) .50 B) .25 C) .75 D) 1.00
C) .75
If 20% of a number is 2.5, what is the number? A) 1.25 B) 10 C) 12.5 D) 25
C) 12.5 ( .2*X = 2.5 )
If (Y*Y*Y)/(Y+Y) = 2, then Y = ? A) 0 B) 1 C) 2 D) 4
C) 2 ( y^3 / 2y = 2 ) -> ( y^3 / y = 4 ) -> ( y^2 = 4 )
Arrange these fractions in order of size from largest to smallest: 1/3, 2/5, 4/15 A) 4/15, 2/5, 1/3 B) 2/5, 4/15, 1/3 C) 2/5, 1/3, 4/15 D) 1/3, 4/15, 2/5 E) 1/3, 2/5, 4/15
C) 2/5, 1/3, 4/15
300% is the same as A) 0.03 B) 0.3 C) 3 D) 300
C) 3
The perimeter of a rectangle is 180 ft, and the width is 1/2 of the length. What is the length? A) 30 ft B) 60 ft C) 90 ft D) 100 ft
C) 60 ft ( 180 ft = 2*( L + .5*L ) )
What is the area, in square ft, of the figure? A) 32 B) 54 C) 63 D) 72
C) 63
The avg temperature during a 4 day period was 73°F. If the temperature on the first 3 days was 75, 74, and 70, what was the temperature on the 4th day? A) 71 B) 72 C) 73 D) 75
C) 73 ( .25*( 75 + 74 + 70 + X ) = 73
What is the sum total of degrees in a 3 angle triangle? A) 90 B) 100 C) 120 D) 180
D) 180
X/4 + X = ? A) X/4 B) 2X/4 C) 4X D) 5X/4
D) 5X/4
74 - ( 12 - 20 ) = ? A) 42 B) 56 C) 66 D) 82
D) 82
It cannot be determined from the information given
The one selected from ammo can X
4
j = 2
16x +4
x² + 4x
