Các câu hỏi tương tự
Question 9:
Three years ago, Nora was half as old as Mary is now. If Mary is four years older than Nora then Mary is ............. years old now.
Question 10:
It took boys hours to clean a house. How many boys are needed to clean the house in hours?
The result is: ...... boys.
It took boys hours to clean a house. How many boys are needed to clean the house in hours?
Question 9:
It took boys hours to clean a house. How many boys are needed to clean the house in hours?
The result is: boys.
in a class A of 160 students, the ratio of boys to girls is 3 to 5.in the class B, the ratio of boys to girls is 3 to 2. when the to classes are combined, the ratio of boy to girls is 1 to 1. how many students are there in the class B
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.
Question 1
The bus will take one hour then the train take three and a half hours morethan the bus from Bella is hours to her grandmother is house Bella need half an hour to change between them How long will the whole joumey take ?
Question 2
There are .......... distinct 4 - digit numbers from 0; 1;2;3;4
Question 3
Jenny gets $6 each week Jane gets double that amount How much did they get together in January ?
The bus will take one hour, then the train take three and a half hours more than the bus from Bella's house to her grandmother's house. Bella need half an hour to change between them.How long will the whole journey take?
Answer:............................hours
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....
Đọc tiếp
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
TO SE TICK CHO AI NHANH VA DUNG
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 ?