GRE
The number of integers n, where 100 < n < 200, that are multiples of both 3 and 5
$$15$$
The probability that the number of the ball chosen from container $$Q$$ will be divisible by $$2$$ or $$3$$
The probability that the number of the ball chosen from container $$R$$ will be divisible by $$2$$ or $$3$$
The number of members of the club who attended both meetings
$$104$$
The area of triangular region PXR
The area of triangular region PRY
The average of the last 12 integers in the list
100
$$(r●s)●t$$
$$r●(s●t)$$
25000 +道题目
236本备考书籍