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Adult Education - Basic Mathematics 3
( 1.) Simplify the following ratio; 5:45
1:10
1:9
1:8
1:15
( 2.) Simplify the following ratio; 0.9:81
1:18
1:900
1:90
1:9
( 3.) Simplify the following in the form of ratio; 12 inches to 1 feet.
12:1
15:5
1:1
4:1
( 4.) Simplify the following in the form of ratio, 10km to 6 mile
1:1
3:1
1:2
5:3
( 5.) If a map has a scale of 1/8 inch = 1 mile, if John counts 25 grids from point A to point B, where each grid equals 1 inch. Calculate the distance between both points in miles.
14
200
27
94
( 6.) if a rope with 70 feet weighs 55kg, what is the weight of 3 feet of rope to 2 decimal places?
14
1.25
3.14
2.36
( 7.) if a car travels 450 miles in 9 hrs. how many miles will the car travel in 17hrs at the same speed
498
990
850
324
( 8.) If it takes 12 trucks of the same size, 3 trips each to move 100,000lbs of wheat, how many trips will it take 6 trucks to move the same amount of wheat?
12
6
18
3
( 9.) Solve the equation v=9500t, for t
9500
9500v
v/9500
0
( 10.) Write the following in exponential form: 5x5x5x5
5x125
5^4
25x25
4^5
( 11.) Write the following in fractional form: 4
-2
1/4
1/8
16
1/16
( 12.) Find the value of (ln12) reduced to 2 decimal places
1.0792
2
2.485
2.5
( 13.) An equation of the form; y = 2x defines a non-linear function.
True
False
( 14.) A graph represented by the function; y = mx + b is a straight line.
True
False
( 15.) For the graphical function y/x = 2, what is the value of y when x =4?
4
6
8
-2
( 16.) For the graphical function represented by y/x = -2, what is the value of y, when x = 8?
8
-16
16
2
( 17.) For the graphical function represented by y/x = -2, what is the value of y, when x = -2?
4
-4
8
+4
( 18.) Find the slope of the graphical equation 10y + 20x + 10 = 0, in terms of y.
4
-2
2
-4
( 19.) Find the intercept of the graphical equation 10y + 20x + 10 = 0, in terms of y.
1
-1
4
2
( 20.) Caculate the intercept of the linear equation 4x + 2y - 12 =0
4
3
-4
-3
( 21.) What is the logarithm of 49 ?
4.0
0.49
1.690
2.8
( 22.) Calculate the logarithm of 0.0000598 ?
123.00
-4.223
4.223
-123.00
( 23.) Calculate the following; log(10)(15)
0
5
2.176
-2.176
( 24.) Claculate the following; log(54/45)
0.079
0.019
0.25
1.025
( 25.) Claculate the following; log(67)
2
3.652
4.12
0.035
15
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