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The average price of the remaining four parrots was 5000 dollars.. What was the price of the parrot that escaped?..[r]

(1)

1 Part A: Each correct answer is worth points.

How many hours are there in half of a third of a quarter of a day? 1/3

1/2

2 The diagram shows a cube with sides of length 12 cm An ant is walking across the cube’s surface from A to G using the path shown in bold How far will it have to walk?

48 cm 40 cm 50 cm 60 cm

It is impossible to determine

3 In triangle ABC, the angle at A is three times greater than the angle at B and half of the angle at C What is the angle at A?

30o

36o

54o

60o

72o

(2)

1000 dollars 2000 dollars 5500 dollars 6000 dollars 10000 dollars

5 A straight line is drawn across a 4×4 chessboard What is the greatest number of 1×1 squares this line can pass through?

6 In a triangle ABC the angle C is three times bigger then the angle A, the angle B is two times bigger then the angle A Then the triangle ABC:

is equilateral is isosceles

has an obtuse angle has a right angle has only acute angles

7 At my school, 50% of students swim Of those, 30% are on the swim team What percent of students at my school are on the swim team?

15% 20% 25% 40% 80%

8 Which of the following numbers is odd for every integer n ? 2011n

n2+2011

(3)

n+2012 2n2+2011

9 In the picture, strips 1, and have the same horizontal width a These strips connect two parallel lines Which strip has the largest area?

All three strips have the same area Strip

Strip Strip

It is impossible to answer without knowing a

10 A is the number 11111 1111 formed by writing 2003 ones in a row What is the sum of the digits of the product 2003 x A?

10000 10015 10020 10030 2003 x 2003

11 When a barrel is 30% empty it contains 30 litres more than when it is 30% full How many litres does the barrel hold when full?

60 75 90 100 120

12 In the picture there are four overlapping squares with sides 11, 9, and cm long How much greater is the sum of the two grey areas than the sum of the two black areas?

(4)

13 What is the sum of the 10 angles in the picture?

300o 450o

360o

600o

720o

14 Charles tells the truth every other day; otherwise he lies Today he stated exactly four of the following statements Which one could he not have stated today?

I have a prime number of friends I have as many male friends as female 288 is divisible by 12

I always tell the truth

Three of my friends are older than me

15 You have six sticks of lengths cm, cm, cm, 2001 cm, 2002 cm and 2003 cm You have to choose three of these sticks to form a triangle How many different choices of three sticks are there that work?

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