1 |
When 4 dice are thrown, what is the probability that the same number appears on each of them? |
1/36
1/18
1/216
1/5
|
2 |
When two dice are thrown simultaneously, what is the probability that the sum of the two numbers that turn up is less than 11? |
5/6
11/12
1/6
1/12
|
3 |
What is the probability that a two-digit number selected at random will be a multiple of '3' and not a multiple of '5'? |
2/15
4/15
1/15
4/90
|
4 |
What is the probability of getting all six in a single throw of three unbiased dice? |
1/6
125/216
1/36
1/216
|
5 |
A number is selected at random from first thirty natural numbers. What is the chance that it is a multiple of either 3 or 13? |
17/30
2/5
11/30
4/15
|
6 |
If it takes 10 minutes to walk 3/7 mile, how many minutes will it take to walk the rest of the mile? |
2 1/3
13 1/3
4 2/7
30
|
7 |
A candy recipe calls for 5 parts milk, 4 parts cocoa, 4 parts syrup, 2 parts sugar, and 1 part 1 butter. If you use 8 ounces of milk, how many ounces of candy mixture can you make? |
25 3/5
5 3/5
20
128
|
8 |
A car that gets 15 miles per gallon of gasoline can travel 250 miles on a full tank. If the same car got 20 miles per gallon, how many miles could it travel on a full tank? |
300
750
250 3/4
333 1/3
|
9 |
If 10 tractors are needed to plow a field in 4 hours, how many tractors are needed to plow the field in 5 hours? |
32
4
16
8
|
10 |
If apples cost 3 for 37 cents, find the cost of 1 3/4 dozen apples. |
111 cents
159 cents
259 cents
211 cents
|
11 |
How many miles are there between two cities if the distance is represented by a 2.4-inch line on a map having a scale of 1 inch to 8 miles? |
19.2
12.8
8.5
38
|
12 |
Find the value of x if 3 : b = x : c. |
3b/c
c/3b
2c/3b
3c/b
|
13 |
If a train travels 5/6 mile in 1 1/4 minutes,how many miles will it travel in 1 hour? |
20 miles
50 miles
40 miles
30 miles
|
14 |
Find the ratio of 18 inches to 2 yards. |
3/4
1/4
1/5
2/5
|
15 |
The population of 8 villages is 900, 750, 1100, 1050, 835, 1250, 555 and 630. Find the population of ninth village if the average population of nine villages is 900. |
1200
1065
1030
1800
|
16 |
Out of the 44 boys in a class, 9 are of the age of 10, 15 at the age of 9, and the rest are at the age of 5. Find the average age of the entire class. |
7.85
8.75
12.2
14.35
|
17 |
A man bought 20 used laptops at $200 each, 9 at $300 each, and 6 at $100 each. Find the average price per laptops |
$250.55
$208.57
$400.50
$380
|
18 |
The average height of a class of 14 boys is 5.3 feet. A new boy is admitted to the class. The new average of height now becomes 5.25. What is the height of the new boy? |
4.55
5.0
6.0
3.5
|
19 |
A and B can do a job in 6 days. If A do the job alone he takes 10 days. What will be the time required by B to complete the job alone? |
8
6
15
3
|
20 |
The average of x,y,z and 40 is 10. What is the average of x,y and z. |
10
0
2
15
|