MATHS QUIZ 3

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MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 5:12 pm

1. What is the value of 3x^2 (y[x^3])^2? 3X^8Y^2
2. A car costing $3000 is sold at a loss of 5% on the cost price. What is the selling price? $2850
3. How many solutions are there for 2x - 1 < 20, given that x is an odd number? INFINATE
4. The weights of x, y and z are in the ratio 2:n:4. On a pie chart, the angle corresponding to x is 80 degrees. Find n. 3
5. An ordinary six-sided die is rolled. What is the probability that the score is not 1? 83.3%
6. In a group of 30 boys, 15 like dice games, 12 like card games, x like both and 4 like neither. How many boys like both dice and card games? 1
7. What is the size of an interior angle (in degrees) of a regular pentagon? 108
8. What is the surface area of a cuboid (rectangular prism) with length 20 cm? CANNOT BE DETERMINED
9. What is the number called located on the bottom part of a fraction? DENOMINATOR
10. Anne scores 1/2 as many marks as Betty, and Betty scores 1/2 as many marks as Cathy. If the sum of their marks is 112, how many marks did Anne score? 16
11. Near the beach there is a floating ship. Over the board is hauled down a rope ladder with 10 steps. The distance between every two steps is 30cm. The lowest step lays on the water surface. The tide is coming and every hour the water rises with 15cm. When will the water get to the third step of the ladder? IT WON'T BECAUSE THE SHIP WILL RISE WITH THE TIDE
12. Which of these percentage increases is the greatest?
A) From 13 to 81 B) From 1 to 69 C) All of them are equal D) From 12 to 80 B) FROM 1 TO 69
13. A cube measures y cm on a side. If the surface area of the cube is 294 square centimetres, what is y (correct to 2 decimal places)? 7.00CM
14. Finish this sequence by writing in the next appropriate word ... triangle, quadrilateral, pentagon, __________ ? HEXAGON
15. The length of a rectangle is (x + y) cm and the breadth is (x - y) cm. If y = 2t + 28, where t is the negative square root of 36, find the area of the rectangle. (X^2-256)CM^2
16. A stick (1.12 * 10^0) metres long is divided into 3 parts between Anne, Carol and Ben in the ratio 1:3:4. Find the length of the part of the stick Ben receives. 56CM
17. Given that 2^x = 7, and 2^y = 38, find 2^(x + y). 266
18. What will applying the formula: 'Multiplying the base and the height and then dividing by two' give you an answer for? AREA OF A TRIANGLE
19. What is the arithmetic mean of - 8, (2 - [- 8]), 3, 7 and - 1? 2.2
20. Which area of Mathematics deals with protractors, segments, circumferences and sectors? GEOMETRY
Last edited by magpie in the 80's on Fri Mar 14, 2008 4:59 pm, edited 11 times in total.
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Re: MATHS QUIZ 3

Postby FattyLumpkin » Tue Mar 11, 2008 5:59 pm

8. 2400cm^2
20. Geometry
14. hexagon
With your hands on your head, or the trigger of your gun
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 6:00 pm

FattyLumpkin wrote:8. 2400cm^2........INCORRECT
20. Geometry
14. hexagon

OTHER 2 CORRECT FL
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Re: MATHS QUIZ 3

Postby grant j » Tue Mar 11, 2008 6:03 pm

Q2 $2850
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 6:07 pm

grant j wrote:Q2 $2850

CORRECT
I went to a fight the other night, and a hockey game broke out. - Rodney Dangerfield (1921 - 2004)
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Re: MATHS QUIZ 3

Postby grant j » Tue Mar 11, 2008 6:09 pm

Q5 5:6
Q7 135
Q9 DEMONINATION
Q10 16
Last edited by grant j on Tue Mar 11, 2008 6:15 pm, edited 1 time in total.
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 6:15 pm

grant j wrote:Q5 5:6...............PROBABILITY 83.3%
Q7 135............INCORRECT
Q9 DEMONINATION..............CLOSE ENOUGH
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Re: MATHS QUIZ 3

Postby grant j » Tue Mar 11, 2008 6:15 pm

Q10 16
Q11 7 HRS
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Re: MATHS QUIZ 3

Postby grant j » Tue Mar 11, 2008 6:19 pm

Q12 Did you forget rest of question. My answer is B
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Re: MATHS QUIZ 3

Postby godoubleblues » Tue Mar 11, 2008 6:32 pm

Q7 - 108
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 6:42 pm

grant j wrote:Q10 16.............CORRECT
Q11 7 HRS...........INCORRECT
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 6:43 pm

grant j wrote:Q12 Did you forget rest of question. My answer is B

STILL WANT B
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 6:43 pm

godoubleblues wrote:Q7 - 108

CORRECT
I went to a fight the other night, and a hockey game broke out. - Rodney Dangerfield (1921 - 2004)
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Re: MATHS QUIZ 3

Postby grant j » Tue Mar 11, 2008 6:44 pm

without looking yes!
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 6:44 pm

grant j wrote:without looking yes!

CORRECT :shock: :lol:
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Re: MATHS QUIZ 3

Postby grant j » Tue Mar 11, 2008 6:46 pm

Hooray i'm pys chic :lol:
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Re: MATHS QUIZ 3

Postby Kahuna » Tue Mar 11, 2008 7:00 pm

11/ It won't. The ship will rise with the tide
18/ Area of a triangle
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 7:09 pm

Kahuna wrote:11/ It won't. The ship will rise with the tide
18/ Area of a triangle

both correct KAHUNA
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Re: MATHS QUIZ 3

Postby Ian » Tue Mar 11, 2008 9:11 pm

Q6. one
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Re: MATHS QUIZ 3

Postby magpie in the 80's » Tue Mar 11, 2008 9:11 pm

Ian wrote:Q6. one

correct
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