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Year 10 Maths Page 3

 Probability 

 Reduce all answers to the lowest terms.

1) What is the probability of a head showing on a twenty-cent coin when thrown into the air and it landing on the ground?

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2) If one card is randomly chosen from a deck of cards without jokers, what's the probability of it being a prime number?

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3) If one letter is randomly picked from the alphabet, what would be the probability of that letter being a vowel?

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4) If one letter is randomly picked from the alphabet, what would be the probability of that letter being a consonant?

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A boy has a bag of 20 marbles; 7 red, 3 blue, 4 green and 6 yellow


If one marble is taken from the bag, what is the probability of it being...
Reduce all answers to the lowest terms.
 
A)   Red?  

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B)   Yellow?  

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C)   Blue?  

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D)   Green?  

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E)  Not Blue?  

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F)   Red or Yellow?  

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Algebraic Fractions

Simplify the following algebraic fractions.   
Reduce all answers to the lowest terms.

X + X = + = blank
4 5

2X + X = blank
3 8

4X - 2X = blank
7 5

 Problem (Geometry)

A right triangle truss has a hypotenuse of 6 metres and a height of 2.3 metres. What is the length of the base?

Round your answer to the nearest hundredth.   

Answer:   metres blank


  


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