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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..[r]
(1)Đề thi Violympic Toán Tiếng Anh lớp vòng năm 2015 - 2016 Question 1: Choose the most suitable answer in 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
B
C 28
D 14
Question 1.3: Add: 2/7 + 3/7 =
A 5/7 B 4/7 C 6/7 D 8/7
Question 1.4: Convert: 2km2 = m2.
A 200 000 B 20 000 C 000 D 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
Question 1.8: The perimeter of the square below is cm
(2)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 C D
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 : 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 - digit number that divisible by 18 is Question 2.6: Calculate: + + + + 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 = 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?
Question 2.13: /9 = 48/108 The missing number is
Question 2.14: The perimeter of the parallelogram below is cm
(3)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 : 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; and then a + b =
Question 2.18: For every 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 available answers Question 1.1: D
Question 1.2: C Question 1.3: A Question 1.4: D Question 1.5: B
Question 1.6: B Question 1.7: C Question 1.8: D 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 2.2: 250 Question 2.3: 26 Question 2.4: 25 Question 2.5: 99990
Question 2.6: 2352 Question 2.7: 26 Question 2.8: 84 Question 2.9: 12 Question 2.10: 13824
(4)Question 2.16: 405 Question 2.17:
Question 2.18: 510 Question 2.19: 55