英文数学测试题Word下载.doc

1、1. If e=3 and f=4, then 2ef2 equals_A.48 B.96 C.288 D.5762. If （x-3）（x+2）=0 then x=_A. -3/2 B. -2 C. 0 D. 33. A car uses 500ml to travel 5.5km. How many liters would the car use to travel 218km?_A. 19 B. 20 C. 21 D. no of these4. A plane flying south turned anti-clockwise through 1350. In what direc

2、tion is it now flying? _A. NW B. SW C. NE D. SE5. In a class of 48 students, 36 are girls. Then fraction of boys in the class is _A. 3/4 B. 1/4 C.1/3 D. 2/36. Tina thinks of a number, add 3 to it, and then square the result, I get 25. The equation represented by this expression is_A. n2+32=25 B. n2+

3、3=25 C. n+32=25 D. （n+3）2=252. Two angles in an isosceles triangle measure 400, what is the size of the third angles?_ this type of angle we call_3. Find the unknown angles x0 below A. B. C. x=_ x =_ x = _4. Rangi pays 10% of the cost of a $120 computer game,A. How much does he paid? _B. The rest of

4、 the money will be paid monthly and each month will be same amount he had paid. How many months will he pay off? _C. He delivers Newspaper to make money, Hourly rate is $6, how many hours he needs work totally to pay the left amount of money? _5. If 100m of fence enclose a square plot of 625m2, how

5、large a square will 200m of fence enclose?_6. The chef drew a bar graph to show where the diners in his restaurant come from. What percentage was from New Zealand? _%_7. It will cost $420 to hire a bus with 40 seaters for a trip, we charge each adult $12 and each student $8 for a seater.We want to k

6、now the minimum number of adults needed to cover the cost of hiring the bus. The simultaneous equations: x+y=40 8x+12y=420a. Clearly explain what the term 8x represents._b. Use the simultaneous equations to find the minimum number of adults needed.（show all your work）8. When throwing 2 dice together, the probability of scoring a total of 4 is:show you work:9. Work out the co-ordinates of the point which lies on both the lines y=x+1 and 3y=6-x. Draw these 2 lines below.10. How many triangles are there in this figure?_