第一题 我选A (assume K和T都是正数) 比较时间长短=比较5/K 和 7/T = 比较5T 和 7K。 1) is sufficient since 5T < 7(T+202). 2) is not, because 7K<14T which can't be campared to 5T.
第二题 选C (assume 卖/租 is independent on # of beds) 1) gives the % of 卖/租 2) gives % of 2-bed % of both happening = mutiplication of the individuals %, if they're independent.
第二题 选C (assume 卖/租 is independent on # of beds) 1) gives the % of 卖/租 2) gives % of 2-bed % of both happening = mutiplication of the individuals %, if they're independent.