爲了方便廣大考生更好的複習,綜合整理了GMAT數學輔導,以供各位考生考試複習參考,希望對考生複習有所幫助。願大家都能取得好成績。
【注】 1、【確認】表示經討論爲確認答案。
2、【討論】表示答案尚未最終確認,請大家提供思路或將題目補充完整。
3、括號內數字表示出現次數。
1.^2^2-^2^2
my ans:-3^
【確認】:310^
思路:設n=1, the equation should be the following one
{^2 ^2} - {}^2
=^2 - ^2= 310^
在下午2:00在某地看見jerry,Tom的速度是60mph,jerry的速度是50mph,2:15時Tom通過某個出口,問jerry什麼時候過出口?
my ans:2:18
【確認】:2:18
Toms speed is 10mph more than jennys, and that also mean that Toms speed per minute is 1/6 mile more than jennys. Because the walk miles of Tom will 15 =2.5 miles more than jennys in 15 minutes and the extra time jenny spend to reach the exit is 2.5/ = 3 minutes, the result is 15+3=18 minutes .
3. DS題:一個袋子裏有紅球和蘭球,問有多少個蘭球?
隨機取一個球,是蘭球的概率是1/5