Các câu hỏi tương tự
The ratio of the number of girls to the number of boys in a classroom is 5:4.When 10 girls left the classroom, the ratio of the number of boys to the number of girls became 4:3. How many students were in the classroom at first ?
The ratio of the number of girls to the number of boys in a classroom is 5:4.When 10 girls left the classroom, the ratio of the number of boys to the number of girls became 4:3. How many students were in the classroom at first?
there are 9 more boys than girls in a class . There are 37 students in all . how many girls are there in the class ?
there are k student in a class, only one of whom is a junior. If 5 seniors are added to the class, how many students in the class will not be juniors? có lời giải đầy đủ nhé
Exam number 1 Fill in the blank with the correct numberQuestion 1:Divide 2016×2016 by 2016. The quotient is .....Question 2:Subtract 346 from 752.Answer: ....Question 3:Study the pattern.88:811 880:8110 8800:8 ? The missing number is .....Question 4:Express seventy thousand, four hundred and nine in numerals.Answer: .....Question 5:The product of 2 different natural numbers is 9. Their sum is .....Q...
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Exam number 1
Fill in the blank with the correct number
Question 1:
Divide 2016×2016 by 2016. The quotient is .....
Question 2:
Subtract 346 from 752.
Answer: ....
Question 3:
Study the pattern.
88:8=11
880:8=110
8800:8= ?
The missing number is .....
Question 4:
Express seventy thousand, four hundred and nine in numerals.
Answer: .....
Question 5:
The product of 2 different natural numbers is 9. Their sum is .....
Question 6:
100 hundreds + 1000 tens = ...... ones
Question 7:
The ratio of boys to girls at a school is 5:4. If there are 255 boys at the school then how many students are there at the school?
Answer: ...... students.
Question 8:
If two dozen pencils cost 12 dollars then .... pencils cost 2 dollars.
Question 9:
Peter and John played in fifteen rounds game. In each round, the winner scored 5 points and the loser scored 2 points. At the end of the game, John’s total score was 57 points. How many rounds did Peter win?
Answer: ..... rounds.
Question 10:
If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out?
Answer: .... numbers.
Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.Answer: Câu 2:Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.897; ; 899Câu 3:Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.; 87; 88Câu 4:How many single digit numbers are there?Answer: numbers.Câu 5:6 is just after of 5 and 5 is just before of 6. What is the product of just after and just bef...
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Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
Answer:
Câu 2:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
897; ; 899
Câu 3:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
; 87; 88
Câu 4:
How many single digit numbers are there?
Answer: numbers.
Câu 5:
6 is just after of 5 and 5 is just before of 6. What is the product of just after and just before of 10?
Answer:
Câu 6:
Jean has 3014 beads. She has 497 beads less than Gillian. How many beads do they have altogether?
Answer: They have beads altogether.
Câu 7:
There are 56 apples in a basket. of them are green and the rest are red. How many red apples are there?
Answer: There are red apples.
Câu 8:
The perimeter of a square garden is 36m. What is its area?
Answer: Its area is .
Câu 9:
248 boys and 418 girls were divided into groups of 9. How many groups were there altogether?
Answer: groups.
Câu 10:
Mr Junior bought 1 magazine, 1 book and 1 pen. The pen costs 5 dollar, the book costs 31 dollar more than the pen. The magazine costs twice as much as the book. How much did he spend on the three things?
Answer: He spent dollar.
A shool has 24 classes and there are 40 students in each class. 1/8 of the students wear glasses and 1/12 of those who wear glasses are boys. How many schoolgirls wear glasses in the schoool?
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1.Three pumpkins are weighed in pairs in all possible ways. The weights of all these pairs are 8kg, 9kg and 11kg. How much does the lightest pumpkin weight? 2.It takes Jack 42 minutes to cut a long log of wood into seven pieces. How long will it take him to cut that log of wood into nine pieces?3.The sum of two fractions 1/2 and 1/3 is a fraction with denominator of 12. Find its numerator4.The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide....
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1.Three pumpkins are weighed in pairs in all possible ways. The weights of all these pairs are 8kg, 9kg and 11kg. How much does the lightest pumpkin weight?
2.It takes Jack 42 minutes to cut a long log of wood into seven pieces. How long will it take him to cut that log of wood into nine pieces?
3.The sum of two fractions 1/2 and 1/3 is a fraction with denominator of 12. Find its numerator
4.The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide. The number of tiles in the outer border of the floor is ?
5.The average of 4, 8, X and 13 is 8. The value of X is ?
6.How many zero digits are there in ten million?
7.Fill the missing number in the blank
44444 = 40000 +400+ ............ + 4
8.There are 3 children in a family,Jack,Mary and Peter.Mary can clean the house for 1 hour.Jack can do thesame job for 2 hours and Peter needs 6 hours.If theydo the job together then they need ........... minutes.
9.MNPQ is a square that is made up of two identical rectangles and two squares of area 9 and 16CM2 . The area of the square MNPQ is ? CM2
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Question 1:What number should be placed in the box to make ?Answer: Question 2:What is the remainder when 65870 is divided by 8?Answer: Question 3:The expression is equal to Question 4:Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills does she have? Answer: 40 dollars- bills.Question 5:The numbers from 1 to 1000 are written. How many of these numbers have at least two digits 5?Answer: numbers.Question 6:Five years ago, Sarah was 7 years old. Two years later, she will be ...
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Question 1:
What number should be placed in the box to make ?
Answer:
Question 2:
What is the remainder when 65870 is divided by 8?
Answer:
Question 3:
The expression is equal to
Question 4:
Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills does she have?
Answer: 40 dollars- bills.
Question 5:
The numbers from 1 to 1000 are written. How many of these numbers have at least two digits 5?
Answer: numbers.
Question 6:
Five years ago, Sarah was 7 years old. Two years later, she will be years old.
Question 7:
Six students had an orange eating contest. The graph shows the number of oranges eaten by each student. Mary ate the fewest oranges and Jack ate the fewest. How many more oranges did Jack eat than Mary?
Answer: oranges.
Question 8:
A large box of candies and a small box of candies together cost 13 dollars. If the large box costs 5 dollars more than the small box, what is the price of the small box of candies?
Answer: dollars.
Question 9:
Five students do an exam with a maximum score of 50. The scores of four of the students are 41, 44, 46 and 49. The average of five students’ scores is the same as the score of the fifth student. The score of the fifth student is
Question 10:
A fraction is equal to . The sum of its denominator and its numerator is 91. What is the difference between the denominator and numerator of this fraction?
Answer: