SSAT數(shù)學(xué)免費練習(xí)（四）

SSAT數(shù)學(xué)免費練習(xí)（四）
    Lenny's average score after 3 tests is 88. What score on the 4th test would bring Lenny's average up to exactly 90?
    A. 92
    B. 93
    C. 94
    D. 95
    E. 96
    If an integer is divisible by 6 and by 9, then the integer must be divisible by which of the following?
    A. 12
    B. 18
    C. 24
    D. 36
    E. 54
    A certain machine can make 3 widgets every 2 seconds. At this rate, how many widgets will be made in 1 minute?
    A. 90
    B. 110
    C. 150
    D. 180
    E. 220