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Page 1 of 12
ENTRANCE EXAMINATION
MATHEMATICS
M1
Date:
July 2019
Time allowed: 1 hour 15 minutes
10 questions by 5 marks. Total: 50 marks
ANSWER ALL QUESTIONS IN DETAIL, SHOWING ALL YOUR WORK ON THE
SAME PAGE AS THE QUESTION. THE ANSWERS PROVIDED IN THE DRAFT
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MATERIALLARDAN FOYDALANISH TAQIQLANADI.
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Page 2 of 12
Question 1.
Simplify and find what values
𝑎 and 𝑏 can take.
(
𝑎√𝑎 + 𝑏√𝑏
√𝑎 + √𝑏
− √𝑎𝑏) (
√𝑎 + √𝑏
𝑎 − 𝑏
)
2
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: …………………………….
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Page 3 of 12
Question 2.
Find the sum of all two-digit natural numbers are divisible by 2 but not by 3.
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: …………………………….
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Page 4 of 12
Question 3.
The parabola y = 4x
2
– 12x + 5 crosses the x-axis at
points A and B as shown on the right figure. Line
segment CD in rectangle ABCD is tangent to the
parabola at its vertex. What is the area of rectangle
ABCD?
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solutions will not be marked. Provide the
detailed solution below.
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: …………………………….
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Page 5 of 12
Question 4.
How many liters of an 80 % acid solution must be added to 15 liters of a 6 % acid
solution to get a 20 % acid solution.
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the detailed solution below.
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: …………………………….
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Page 6 of 12
Question 5.
The numbers a, p, and q are different
positive integers and p and q are prime. If a
is divisible by p and q and if
𝑏 =
𝑎
𝑝∙𝑞
,
then which of the following must be true?
I.
b is not divisible by both p and q
II.
If b is divisible by r, then a is divisible by r
III.
b is a positive integer
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: …………………………….
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Page 7 of 12
Question 6.
When the width and length of a rectangle are each reduced by 20%, the area of the
new rectangle is 12 units less than the area of the original rectangle. What is the area
of the original rectangle?
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the detailed solution below.
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: …………………………….
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Page 8 of 12
Question 7.
The point O is a center of the circle. D is a tangent point.
Find the shaded area if
𝐴𝐵 = 4, 𝐴𝐶 = 2.
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Page 9 of 12
Question 8.
Solve the simultaneous non-linear equations:
{
(𝒙 − 𝒚)(𝒙
𝟐
− 𝒚
𝟐
) = 𝟒𝟓
𝒙 + 𝒚 = 𝟓
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the detailed solution below.
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: …………………………….
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Page 10 of 12
Question 9.
Three billionaires have a total of 30 billion dollars between them. If billionaire A has
300 million more than billionaire B and billionaire B has 600 million more than
billionaire C, how much more money do billionaires B and C combined have than
billionaire A alone?
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the detailed solution below.
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: …………………………….
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Page 11 of 12
Question 10
.
Given OQ parallel toWR;
WV=VU=TU=WT=OW=QR and PQ=TS;
WOQR a rectangular and
PQTS a parallelogram.
i)
find the values of x and y
ii)
find the figure's total perimeter
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solutions will not be marked. Provide the
detailed solution below.
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: …………………………….
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Page 12 of 12
END OF THE TEST
TOTAL FOR TEST 50 MARKS
USE THIS PAGE AS DRAFT
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