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GMAT Prep - Math
Arithmetic
| Question | Answer |
|---|---|
| True or false - Addition and multiplication are commutative, but subtraction and division are not. | True |
| True or false - Addition and multiplication are not associative, but subtraction and division are. | False |
| (5 + 8 = 5 + 8) or (2 X 12 = 12 X 2) is an example of a _________ law. | Commutative |
| (19+3) + 45 = 45 + (19+3) or (10 X 2) X 4 = 10 X (2X4) is an example of a _________ law. | Associative |
| True or false = (9/[4+5]) equals to (9/4) + (9/5). | False |
| When there's a sum or a difference in the DENOMINATOR, is it possible to make distribution? | No |
| When there's a sum or a difference in the NUMERATOR, is it possible to make distribution? | Yes |
| (2^2) X (2^3) = | 2^5 |
| (3^9) X (3^12) = | 3^21 |
| (4^4)/(4^2) = | 4^2 |
| (4^52)/(4^36) = | 4^16 |
| (5^2)^3 = | 5^6 |
| (12^12)^5 = | 12^60 |
| (5^7) X (2^7) = | 10^7 |
| (3^4) X (5^4) = | 15^4 |
| (8)^(2/3) = | 4 |
| (25)^(3/2) = | 125 |
| The radical means _________ square root only. | Positive |
| True or false - The radical can be a NEGATIVE square root as well. | False |
| 6 sq rt (3) X 5 sq rt (5) = | 30 sq rt (15) |
| 10 sq rt (9) / 5 sq rt (3) = | 2 sq rt (3) |
| 24 sq rt (108)/ 12 sq rt (12) | 2 sq rt (9) => 6 |
| True or false - You CANNOT split addition underneath the radical sign. | Yes |