g = 3/4 b
g+b=1400
7/4 b = 1400
b = 800
g = 600
1st grade boys: 1/5 * 800 = 160
1st grade girls: 1/6 * 600 = 100
total 1st grade: 260
others: 1140
nmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
There are 1400 students in a school.The number of girls is 3/4 the number of boys. How many students are in other levels if 1/6 of the girls and 1/5 of the boys are in Primary One
1. A school choir has 72 members altogether. The number of the girls is 6 more than the number of the boys. How many girls are there in the school choir?
There are 48 trees were planted into 8 rows, each row has an equal number of trees. How many trees are there in each row?
6
5
4
7
Câu hỏi 2:
There are 200 kilograms of rice in 5 bags. How many kilograms of rice are there in each bag?
44
42
40
45
Câu hỏi 3:
What value is 1713 greater than 3804?
5518
5518
5517
2091
Câu hỏi 4:
Which of the following has the same value as 7500?
75 hundreds
75 ones
75 tens
75 thousands
Câu hỏi 5:
Find the missing number is the following number pattern? 3696, 3796, …, 3996
3897
3896
3795
3798
Câu hỏi 6:
A rectangular parcel of land with a length of 35m, a width of 20m. Find the perimeter of this land parcel
110cm
112cm
100cm
115cm
Câu hỏi 7:
How long does it take the minute hand of a clock to move from the number 6 to the number 9?
20 minutes
10 minutes
15 minutes
25 minutes
Câu hỏi 8:
What is the missing number? 5.40 am is 40 minutes after …am.
1
4
6
5
Câu hỏi 9:
There are 365 days in a year and 7 days in a week. How many whole of weeks are there in a year?
55
52
53
56
Câu hỏi 10:
What time is 7 hours after 1 o’clock?
9 o’clock
11 o’clock
8 o’clock
7 o’clock
Nộp bài
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
8 liters of oil is filled in the first can;
6 liters of oil is filled in the second can.
How many liters are there in each can if they are filled equally?
Billy and Phil the rabbits are in saparate cages . The ratio of the number of carrots in Billy is cage to Phil is cage 3 ;4 . After some carrots from Phlil is cage were transfered to Billy is smallest possible number of carrots that were transfered ?
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:
Exercise1:Room1 and room2 have 62 students total . If 6 students were transferred from room1 to room2 , the two rooms has the same numbers of students . How many the students were there in each room before the transfer ?
sap xếp các câu thành câu hoàn chỉnh
1 house/ a/ Minh /lake/a/lives/ in/ near
2 yard/ front/school/ there/ big/ of/ is/ our/ in/ a?
3 many / right/ the/ museum/are/ flowers/ the/ there/ to / of / ?
4 next/ photocopy/ what/ store/ there/the/ is/ to/?
5 hospital/ father/ in/ the / city/ my/ works/in
6 there/ family/ many/ in/ are/ how/ Linh's/ people
7 his/ friend/ in/ family/ my / Hanoi/ doesn't/with/ live
8 Brushes / six/ gét/ hẻ/ o'clock/ Hoa/ at/ up / teeth/ and
9 on/ floor/ classroom/ the/ is/ our/ first
10 Minh's / six/ there/ in/ rooms/ house
