[計量] 幾題CAT問題想請教
Test 1
20. If a cube has an edge of length 10, then the length of the segment
connecting the center of a face of the cube to any vertex not contained
in the plane of that face is?
(a)√6 (b)6√5 (c) 5√6 (d) 3√5 (e) 10√6
ans:c
Test 3
9. The sum of two numbers that differ by 1 is t. In terms of t, what
is the value of the greater of the two number
(a)(t-1)/2 (b) t/2 (c) (2t-1)/2 (d) t/2 + 1 (e) (t+1)/2
ans:e
Test 8
2. Paul wants to put up a 120-feet around three sides of his rectangular
garden and level a side unfenced. If the garden has the greatest area, how
many square feet of garden will Paul hedge around?
(a)1200 sq ft (b) 1800 sq ft (c) 2400 sq ft (d) 3000 sq ft (e) 3600 sq ft
ans:b
Test 13
21. 1< n < 5
col a: the sum of the first n odd integers that are greater than zero
col b: n^2 -1
ans:a
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