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1/ The average height of 2 boys is 131.6cm . The average height of 4 girls is 128.3cm . What is the average height of all children ? Answer : ....... cm 2/ Two years ago . Miss Lans salary was $2300 . She got a 5% increment last year and a 10% increment this year . What is Miss Lans salary now ?Answer : $ ...... ?3/ A rectanglar tank is 50cm long , 40cm wide and 45cm high . The height of the water level in the container is 15cm . How many more litres of water are roquired to fill up the tank com...
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1/ The average height of 2 boys is 131.6cm . The average height of 4 girls is 128.3cm . What is the average height of all children ?
Answer : ....... cm
2/ Two years ago . Miss Lan's salary was $2300 . She got a 5% increment last year and a 10% increment this year . What is Miss Lan's salary now ?
Answer : $ ...... ?
3/ A rectanglar tank is 50cm long , 40cm wide and 45cm high . The height of the water level in the container is 15cm . How many more litres of water are roquired to fill up the tank compietely ?
Answer : ............. l
theere are two taps pouring water into a tank. tap a can fill up the tank in 23 minutes, tap b can fill the tank in 16 minutes. if tap a is opened first, how many minutes later should tap b opened in order for the amount of water form tap a double that from tap b when the tank is full
Một rectanglar tank is 50 cm long, 40cm wide and 45cm hight. The height of the water level in the container is 15cm. How many more litres of water are required to the fill up the tank completely?
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* Supply the correct forms and tenses of these verbs:1. He often (go)................... to school on foot.2. It (rain)............................ very hard now.3. The sun (warm)........................... the air and (give).................. us light.4. Look! A man (run)...................... after the train.5. She (go).................... to school everyday.6. Bad students never (work)..............................hard.7. It often (rain)............... in the summer. It (rain)...................
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* Supply the correct forms and tenses of these verbs:
1. He often (go)................... to school on foot.
2. It (rain)............................ very hard now.
3. The sun (warm)........................... the air and (give).................. us light.
4. Look! A man (run)...................... after the train.
5. She (go).................... to school everyday.
6. Bad students never (work)..............................hard.
7. It often (rain)............... in the summer. It (rain)........................ now.
8. The teacher always (point)............ at the black-board when he (want).................. to explain something.
9. Mother (cook).......... some food in the kitchen at the moment, she always (cook)............ in the morning.
10. I always (meet)................ him on the corner of this street.
11. Where you (go).................... now? - I (go)....................... to the theater.
12. He (not do).............................. morning exersices regularly.
13. He (do)..............................morning exersices now?
14. Water (boil)............................at 100 defrees centigrade.
15. He (meet)........................ the dentist next week
Câu 1:9 is the squared of Câu 2:What is the greatest remainder when a number divide by 9?Answer: Câu 3:.Câu 4:Câu 5:100 pupils participate a drawing competition. 58 of them are girls. What percentage of the pupils who participate the competition are boys?Answer: %Câu 6:The value of such that .Answer: Câu 7:Anna is 1.53m tall. What is her height in centimeters?Answer: (cm)Câu 8:The value of such that Answer: Câu 9:Find the last digit of .Answer: The last digit of is Câu 10:Given that the se...
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Câu 1:
9 is the squared of
Câu 2:
What is the greatest remainder when a number divide by 9?
Answer:
Câu 3:
.
Câu 4:
Câu 5:
100 pupils participate a drawing competition. 58 of them are girls. What percentage of the pupils who participate the competition are boys?
Answer: %
Câu 6:
The value of such that .
Answer:
Câu 7:
Anna is 1.53m tall. What is her height in centimeters?
Answer: (cm)
Câu 8:
The value of such that
Answer:
Câu 9:
Find the last digit of .
Answer: The last digit of is
Câu 10:
Given that the set .
How many elements are there in the set A?
Answer:
1.The sum of two natural numbers is equal to their difference multiplied by 3.Find their quotient
2.Let a be a natural number.Suppose that a gives a remainder of 38 when divided by 54; a gives 14 and a remainder r when divided by 18.What is the value of a+r?
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Question 1:The perimeter of the circle is cm(Write your answer by decimal in the simplest form)Question 2:Calculate: 626.35+525.36 Question 3:Calculate:(Write your answer in the simplest form)Question 4:There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?Answer: There are empty seats.Question 5:A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?(Write your answer by decimal...
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Question 1:
The perimeter of the circle is cm
(Write your answer by decimal in the simplest form)
Question 2:
Calculate: 626.35+525.36 =
Question 3:
Calculate:
(Write your answer in the simplest form)
Question 4:
There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?
Answer: There are empty seats.
Question 5:
A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?
(Write your answer by decimal in simplest form)
Answer:
Question 6:
The value of m is
Question 7:
Mrs. Jane buys 10kg of flour. She uses 1/6 of it to make a cake and 1/3 of it to make grape pies. How many kilograms of flour are left?
Answer: kg.
Question 8:
45% of M is 72. The value of M is
Question 9:
Emily rides her horse 21km in 7/6 hours. What is her average speed in kilometers per hour?
Answer: Her average speed is kilometers per hour.
Question 10:
Anna multiply together the following numbers
How many zeros are there at the end of the product?
Answer: There are zeros.
Câu 1: Given that is divisible by 9. What is the value of ? Câu 2: How many elements of the set A are divisible by 9?Câu 3:A is a set of multiples of 12 less than 12. How many elements does the set A have?Câu 4:Find the remainder when is divided by 3.Câu 5:Given that 511 is the sum of two prime numbers and , . What is the value of ?Câu 6:Given that . Find the value of .Câu 7:Given that . How many divisors does the number A have?Câu 8:Find the natural number so that the product of and 5 is a...
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Câu 1: Given that is divisible by 9. What is the value of ?
Câu 2: How many elements of the set A are divisible by 9?
Câu 3:A is a set of multiples of 12 less than 12. How many elements does the set A have?
Câu 4:Find the remainder when is divided by 3.
Câu 5:Given that 511 is the sum of two prime numbers and , . What is the value of ?
Câu 6:Given that . Find the value of .
Câu 7:Given that . How many divisors does the number A have?
Câu 8:Find the natural number so that the product of and 5 is a prime number.
Câu 9:
Given that . How many divisors does the number A have?
Câu 10:
Given that . How many divisors the number A have?
1 . A is the set of factor of 12 more than 6 . How many elements does the set A have ?
2 . Find the remainder when 98387 + 1234 is divided by 9 ?
3 . given that b513 is divisible by 9 . what is the value of b ?
4 . find the remainder of 9287 when is it divided by 3
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