There are three numbers such that the second is four times the first, the third is 3 less than the first. The sum of the first and the third numbers is 27. What is the average of three numbers? 

1. Multiple Choice Questions (3 points each)
1. What is the answer to 4 × 4 + 4 + 4 + 4 + 4 + 4 × 4 + 4 + 4 + 4 ?
32
48
60
100
144
2. Helen wrote a one-digit number and then wrote an additional digit to its right. She added 19 to the obtained number and got 72. What number did Helen write first?
2
3
5
6
7
3. Jack wishes to write different numbers from 1 to 9 in the cells of the table so that the total of the three numbers of each row and each column were equal to 15. Some of the numbers are already written there. What number must be written in place of the question mark?
Hình ảnh không có chú thích
1
2
3
4
5
4. Each friend: Mary, Elly, Paul, and Mike has exactly one of the following animals: a cat, a dog, a gold fish, and a parrot. Elly has a pet with fur. Mike has a pet with four legs. Paul has a bird, and Mary and Elly don't like cats. Which of the following sentences is not true?
Mike has a dog
Paul has a parrot
Mary has a golden fish
Mike has a cat
Elly has a dog
5. Elise had a sum of money. She gave half of it away to her brother. Then she used half of the remainder to buy a new comic book. Next she gave half of what was left to her older sister. Finally, she found that she had $7 dollars remaining. How much money did she have at first?
30
46
56
65
None of the above
6. Peter has a total of 100 chickens and rabbits on his farm. If the animals have 260 legs altogether, how many chickens are there on the farm?
30
40
50
60
70
7. There are 14 children at a party. If each child shakes hands with each other exactly once, how many handshakes will take place?
75
85
90
91
93
8. The area of the figure in the picture below is equal to:
Hình ảnh không có chú thích
30
38
44
60
None of the above
9. The weight of 3 apples and 2 oranges is 255 g. The weight of 2 apples and 3 oranges is 285 g. Each apple weighs the same and each orange weighs the same. What is the combined weight of 1 apple and 1 orange?
110 g
108 g
105 g
104 g
102 g
10. There were 25 questions in a mathematics quiz. If a question was answered correctly, 4 marks would be given, otherwise 1 marks would be deducted. If John scored 85 marks in the mathematics quiz, how many questions had he answered correctly?
20
21
22
23
24
11. Carl is four times as old as Pam, who is one third as old as Jackie. If Jackie is 18, what is the sum of their ages?
64
54
48
24
18
12. Five cities all got more rain than usual this year. The five cities are: Last Stand, Mile City, New Town, Olliopolis, and Polberg. The cities are located in five different areas of the country: the mountains, the forest, the coast, the desert, and in a valley. The rainfall amounts were: 12 inches, 27 inches, 32 inches, 44 inches, and 65 inches.* The city in the desert got the least rain; the city in the forest got the most rain.* New Town is in the mountains.* Last Stand got more rain than Olliopolis.* Mile City got more rain than Polberg, but less rain than New Town.* Olliopolis got 44 inches of rain.* The city in the mountains got 32 inches of rain; the city on the coast got 27 inches of rain. Which city is in the desert ?
Mile City
Polberg
New Town
Last Stand
Olliopolis
13. If you count 21 letters in the English alphabet from the end and 20 letters from the beginning , which letter will exactly appear in the middle of the sequence thus formed?
K
L
M
N
O
14. A, B, C, D, E, F, G, H and I are nine houses. C is 2km East of B. A is 1km North of B and H is 2km South of A. G is 1km West of H while D is 3km East of G. F is 2km North of G, I is situated just in the middle of B and C, while E is just in the middle of H and D. Find the distance between E and G.
1.5 km
2 km
3 km
4 km
None of the above
15. There is an 8-sided dice whose faces each have one different number from the set {1, 2, 3, 4, 5, 6, 7, 8}. The numbers on opposite faces always have a sum of 9. The dice is rolled twice and the two values appearing on top are multiplied. How many ways are there that this product is divisible by 9?
1
2
3
4
5

LUYỆN VIOLYMPIC TIẾNG ANH LỚP 4 (2021-2022)

Câu 1: The sum of all one digit numbers?

Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)

Câu 3: Which number below is the word form of 20 300?

Câu 4: How many two digit odd numbers are there that are greater than 15?

Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?

Câu 6: What is the smallest posible number that can be written using the digits 4, 7, 0, 6? (use each digit only once)

Câu 7: If the sum of three consecutive natural numbers is less than 90, find the largest possible value of the largest natural number is?

Câu 8: How many multiples of 4 lie between 1000 and 2500?

Câu 9: Read number: 35 206 :...........................................................

Câu 10: Jack finished the bicycle race with a time of 34152 seconds, Jane finished with a time of 34215 seconds, and Tina finished with a time of 34125 seconds. In what order did they finish the race?

Câu 11: The The greatest odd number that can be formed by all the digit 1,2,0 and 8 is?

Câu 12: A rectangle having length and breadth are 25cm and 8cm respectively. The perimeter of the rectangle?

Câu 13: Amy put 50 photographs into an online photo album. On each page she could fit eight photos. How many photos were on the last page?

Câu 14: Bon is 5 years old. Ben’s age is 3 years more than the double of Bon’s age. Find the age of Ben?

Câu 15: Which value is equal to 56 hundreds? (56000; 5600 tens; 560 tens; 56 units)

Câu 16:What is the perimeter of  a square with side lengths of 205 cm?  

Câu 17: What is the greatest 3-digit number whose digits total is 13?

Câu 18: Anna has a chocolate chip cookie recipe that makes 60 cookies and calls for 6cups of flour. If he only wants to make 40 cookies. How many cups of flour would he need?

Câu 19: A string of 5m35cm was cut into 5 equal parts. What’s the length of each part in cm?

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trả lời bài này cho mình với

• Câu 1

   

  How many double digit numbers are there?
  Answer:

   

  numbers.

   

• Câu 2

   

  How many single digit numbers are there?
  Answer:

   

  numbers.

   

• Câu 3

   

  Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
  Answer:

   

   

• Câu 4

   

  Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
  99; 100;

   

   

• Câu 5

   

  1kg of apple costs 2 dollar and 1kg of orange costs 3 dollar more than an apple. Jean bought 10kg of apples and 8kg of oranges. How much did she have to pay for the fruits?
  Answer:

   

  dollar.

   

• Câu 6

   

  The perimeter of a square garden is 36m. What is its area?
  Answer: Its area is

   

  m^2m2.

   

• Câu 7

   

  Find the product of 7 tens and 7 ones.
  Answer:

   

   

• Câu 8

   

  Anna has 206 stickers and Mary has 78 stickers. How many stickers must Anna give to Mary so that they have the same number of stickers?
  Answer:

   

  stickers.

   

• Câu 9

   

  The product of 40 and a number m, is a 2-digit number that greater than 40. The value of m is

   

   

• Câu 10

   

  A number has a digit 3 in ones place. It is greater than 64 but less than 82. What number is it?
  Answer: