Re: [計量] 請問印度11/9
17. A rectangular sheet is divided into unequal squares with total number of rows in the rectangle 'n' and columns 'n+2'. If the minimum value of n is 21, then
Col A: The area of the square present in the 15th row and 18th column
Col B: n^2
(這題不會算)
我也看不懂題目 有人會算這題嗎 拜託了
18. Two spheres have their volumes as 4Y and 3y, where y is some integer.
Col A: The ratio of their radius
Col B: 4/3
如果Y =/= y 這題一定是D
如果Y=y
體積是和半徑的三次方成正比 所以如果已知體積 要求半徑關係
要開三次根號
(4/3)^(1/3) < 4/3 (因為4/3>1 開三次根號會變小)
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