| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.56 |
| Score | 0% | 71% |
If there were a total of 150 raffle tickets sold and you bought 9 tickets, what's the probability that you'll win the raffle?
| 9% | |
| 12% | |
| 6% | |
| 7% |
You have 9 out of the total of 150 raffle tickets sold so you have a (\( \frac{9}{150} \)) x 100 = \( \frac{9 \times 100}{150} \) = \( \frac{900}{150} \) = 6% chance to win the raffle.
Find the average of the following numbers: 17, 13, 17, 13.
| 20 | |
| 17 | |
| 11 | |
| 15 |
To find the average of these 4 numbers add them together then divide by 4:
\( \frac{17 + 13 + 17 + 13}{4} \) = \( \frac{60}{4} \) = 15
What is the next number in this sequence: 1, 3, 7, 13, 21, __________ ?
| 28 | |
| 31 | |
| 39 | |
| 29 |
The equation for this sequence is:
an = an-1 + 2(n - 1)
where n is the term's order in the sequence, an is the value of the term, and an-1 is the value of the term before an. This makes the next number:
a6 = a5 + 2(6 - 1)
a6 = 21 + 2(5)
a6 = 31
What is the next number in this sequence: 1, 4, 7, 10, 13, __________ ?
| 15 | |
| 7 | |
| 16 | |
| 21 |
The equation for this sequence is:
an = an-1 + 3
where n is the term's order in the sequence, an is the value of the term, and an-1 is the value of the term before an. This makes the next number:
a6 = a5 + 3
a6 = 13 + 3
a6 = 16
If there were a total of 150 raffle tickets sold and you bought 9 tickets, what's the probability that you'll win the raffle?
| 9% | |
| 12% | |
| 6% | |
| 7% |
You have 9 out of the total of 150 raffle tickets sold so you have a (\( \frac{9}{150} \)) x 100 = \( \frac{9 \times 100}{150} \) = \( \frac{900}{150} \) = 6% chance to win the raffle.