Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 1 năm 2015 - 2016

Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 1 năm 2015 - 2016
Question 1: Choose the most suitable answer in 4 available answers.
Question 1.1: The value of 85 x 46 + 54 x 85 is ...............
A. 485

B. 5464

C. 8446

D. 8500

Question 1.2: The area of the parallelogram below is ............ cm2.

A. 7

B. 8

C. 28

D. 14

C. 6/7

D. 8/7

Question 1.3: Add: 2/7 + 3/7 = ..........
A. 5/7

B. 4/7

Question 1.4: Convert: 2km2 = ..............m2.

A. 200 000

B. 20 000

C. 2 000

D. 2 000 000

Question 5: Find x such that: x + 3/5 = 5/2
A. 2/5

B. 19/10

C. 8/5

D. 8/10

Question 1.6: The sum of two numbers is 79 and their difference is 13. What is the
smaller number?
A. 23

B. 33

C. 46

D. 53

Question 1.7: Which image matchs the following fraction? 2/5

A.

B.

B. C.

D.

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Question 1.8: The perimeter of the square below is .............. cm.

A. 25/81

B. 41/9

C. 9/9

D. 20/9

Question 1.9: How many numbers between 65 and 121 are divisible by 8?
A. 48

B. 6

C. 7

D. 8

Question 1.10: 2/5 of the trees in a garden is red apple trees. Others are green apple trees.

There are 60 green apple trees. How many apple trees are there in the garden altogether?
A. 120

B. 150

C. 100

D. 130

Question 2: Let's reach the intellectual peak by answering the questions.
Question 2.1: In 235468, the value of the digit in the hundreds place is: ................
Question 2.2: 1/4 kg = .............g.
Question 2.3: The ratio of two numbers is 3 : 5 and their sum is 104. Find their difference.
Question 2.4: The area of a square of side 5cm is ........... cm2.
Question 2.5: The greatest 5 - digit number that divisible by 18 is .............
Question 2.6: Calculate: 2 + 4 + 6 + .... + 96 = ..................
Question 2.7: Look at this series: 62; 62; 50; 50; 38; 38; ...... What number should come
next?
Question 2.8: What is 7/12 of 144?
Question 2.9: Of the 28 goats on Jack's farm, 3/7 are white. How many white goats are on
the farm?
Question 2.10: Calculate: 3456 x 4 = ...............
Question 2.11: Convert: 400000cm2 = ...............m2.
Question 2.12: There are forty pieces of fruits on the table. Twenty four of them are
oranges, others are apples. How many pieces of fruits are apples?
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Question 2.13: ...../9 = 48/108. The missing number is ..............
Question 2.14: The perimeter of the parallelogram below is ............ cm.

Write your answer in the simplest form.
Question 2.15: There are 35 men and a some of women in a meeting room. The ratio of
the number of women to the number of men is 7 : 5. How many women are there in the
meeting room?
Question 2.16: The sum of odd numbers from 12 to 42 is ...........
Question 2.17: If 37a54b is divisible by 2; 3; 5 and 9 then a + b = ............
Question 2.18: For every 8 hours of work, John earns $136. If John works 30 hours, how
much will he earn?
Question 2.19: The sum of two numbers is the smallest 3-digit number and their
difference is the smallest 2-digit number?
Question 2.20:

The missing number is ................
ĐÁP ÁN
Question 1: Choose the most suitable answer in 4 available answers.
Question 1.1: D

Question 1.5: B

Question 1.2: C

Question 1.6: B

Question 1.3: A

Question 1.7: C

Question 1.4: D

Question 1.8: D

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Question 1.9: C

Question 1.10: C

Question 2: Let's reach the intellectual peak by answering the questions.
Question 2.1: 400

Question 2.8: 84

Question 2.15: 49

Question 2.2: 250

Question 2.9: 12

Question 2.16: 405

Question 2.3: 26

Question 2.10: 13824

Question 2.17: 8

Question 2.4: 25

Question 2.11: 40

Question 2.18: 510

Question 2.5: 99990

Question 2.12: 16

Question 2.19: 55

Question 2.6: 2352

Question 2.13: 4

Question 2.20: 18

Question 2.7: 26

Question 2.14: 3

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