GMAT Study cards
Quiz yourself by guessing what should be in
each of the black rectangles below before clicking
on it to display the answer.
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| Flap 1 |
 |
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| Flap 2 |
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| Divisibility Rules of 3 |
Sum of the digits can be divided by 3 |
| Divisibility Rules of 4 |
if the number formed by the last two digits is divisible by 4 |
| Divisibility Rules of 6 |
if a number is divisible by 2 and 3 |
| 0/2 |
0 |
| 2/0 |
undefined |
| .2 |
1/5 |
| .66 |
2/3 |
| .33 |
1/3 |
| .4 |
2/5 |
| .6 |
3/5 |
| .8 |
4/5 |
| Compound Interest |
Interest rate is divided by the number of times compounded throughout the year |
| Average/Mean |
total sum of items/total number of items |
| Median |
ordered #s in which the middle number is picked |
| Mode |
number appearing most frequently |
| Range |
smallest number subtracted from the largest |
| 2^6 x 2^2 |
2^8 |
| 2^6 / 2^2 |
2^4 |
| (2^6)^2 |
2^12 |
| 12^1 |
12 |
| 12^0 |
1 |
| r x t |
d |
| (x+2)(x+5) |
x^2+7x+10 |
| (x+y)^2 |
x^2+2xy+y^2 |
| (x+y)(x-y) |
x^2-y^2 |
|
