| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.77 |
| Score | 0% | 75% |
Find the average of the following numbers: 8, 4, 9, 3.
| 3 | |
| 6 | |
| 9 | |
| 2 |
To find the average of these 4 numbers add them together then divide by 4:
\( \frac{8 + 4 + 9 + 3}{4} \) = \( \frac{24}{4} \) = 6
What is the next number in this sequence: 1, 10, 19, 28, 37, __________ ?
| 53 | |
| 41 | |
| 46 | |
| 38 |
The equation for this sequence is:
an = an-1 + 9
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 + 9
a6 = 37 + 9
a6 = 46
13 members of a bridal party need transported to a wedding reception but there are only 2 4-passenger taxis available to take them. How many will need to find other transportation?
| 6 | |
| 1 | |
| 5 | |
| 7 |
There are 2 4-passenger taxis available so that's 2 x 4 = 8 total seats. There are 13 people needing transportation leaving 13 - 8 = 5 who will have to find other transportation.
What is 6y6 x 9y4?
| 15y6 | |
| 15y4 | |
| 15y24 | |
| 54y10 |
To multiply terms with exponents, the base of both exponents must be the same. In this case they are so multiply the coefficients and add the exponents:
6y6 x 9y4
(6 x 9)y(6 + 4)
54y10
If there were a total of 100 raffle tickets sold and you bought 6 tickets, what's the probability that you'll win the raffle?
| 1% | |
| 6% | |
| 17% | |
| 16% |
You have 6 out of the total of 100 raffle tickets sold so you have a (\( \frac{6}{100} \)) x 100 = \( \frac{6 \times 100}{100} \) = \( \frac{600}{100} \) = 6% chance to win the raffle.