21. 在电话厅前排队,J前有13个人,问队伍总共多少人
C后有16个人
C前J后有3个人
My Answer: C
22. A circle inscribed in an equilateral triangle with side length = 10. What is the area of inscribed circle?
23. 机经的题目,W到X到Y到Z,三个送信人,一个速度70mile/分钟,一个速度80mile/分钟,一个速度100mile/分钟,总长750mile 求X到Y长,
答案是240
24. x = , if = , what is k?
My Answer: k = 200.
Old JJ:
X=10^100,有X^X= 10^K, 问K等于多少
remeo评价意见:10^102
25. If X is between 4497 and 4509, which number is closest to 23/?
My Answer: 3451
26. A right triangle is on top of a square. Square side is 100, right triangle sides are 60, 80 and 100 . How many bags of fertilizer to cover entire area?
My Answer: 7 bags.
27. Make a code of different letters from 10 letters . Whats the ratio of 5 letter code to 4 letter code?
My Answer: P/P = 6
28. r+s+t 是偶数么?
r+s是偶数
s+t是偶数
29. 有线段AC,AC上的一段AB正好是某圆柱体的体对角线,能求出AC的长么?
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