| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.15 |
| Score | 0% | 63% |
If there were a total of 100 raffle tickets sold and you bought 8 tickets, what's the probability that you'll win the raffle?
| 14% | |
| 8% | |
| 19% | |
| 10% |
You have 8 out of the total of 100 raffle tickets sold so you have a (\( \frac{8}{100} \)) x 100 = \( \frac{8 \times 100}{100} \) = \( \frac{800}{100} \) = 8% chance to win the raffle.
Which of the following is not a prime number?
5 |
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2 |
|
7 |
|
9 |
A prime number is an integer greater than 1 that has no factors other than 1 and itself. Examples of prime numbers include 2, 3, 5, 7, and 11.
On average, the center for a basketball team hits 25% of his shots while a guard on the same team hits 45% of his shots. If the guard takes 25 shots during a game, how many shots will the center have to take to score as many points as the guard assuming each shot is worth the same number of points?
| 27 | |
| 37 | |
| 44 | |
| 24 |
guard shots made = shots taken x \( \frac{\text{% made}}{100} \) = 25 x \( \frac{45}{100} \) = \( \frac{45 x 25}{100} \) = \( \frac{1125}{100} \) = 11 shots
The center makes 25% of his shots so he'll have to take:
shots made = shots taken x \( \frac{\text{% made}}{100} \)
shots taken = \( \frac{\text{shots taken}}{\frac{\text{% made}}{100}} \)
to make as many shots as the guard. Plugging in values for the center gives us:
center shots taken = \( \frac{11}{\frac{25}{100}} \) = 11 x \( \frac{100}{25} \) = \( \frac{11 x 100}{25} \) = \( \frac{1100}{25} \) = 44 shots
to make the same number of shots as the guard and thus score the same number of points.
Which of the following is an improper fraction?
\({2 \over 5} \) |
|
\(1 {2 \over 5} \) |
|
\({a \over 5} \) |
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\({7 \over 5} \) |
A rational number (or fraction) is represented as a ratio between two integers, a and b, and has the form \({a \over b}\) where a is the numerator and b is the denominator. An improper fraction (\({5 \over 3} \)) has a numerator with a greater absolute value than the denominator and can be converted into a mixed number (\(1 {2 \over 3} \)) which has a whole number part and a fractional part.
Find the average of the following numbers: 9, 3, 7, 5.
| 8 | |
| 11 | |
| 6 | |
| 10 |
To find the average of these 4 numbers add them together then divide by 4:
\( \frac{9 + 3 + 7 + 5}{4} \) = \( \frac{24}{4} \) = 6