A box of brick weights 30 kg. A builder puts \(\frac{3}{2}\)boxes in his wheelbarrow. What is the total weight of the brick?
Câu 6:
4.8l of oil weigh 3.648kg. How many liters of oil are there if they weigh 4.864kg?
Answer: There are liters
(Write your answer as a decimal in the simplest form)
Câu 7:
Inspecting products of a factory, we find that there are 97 qualified products out of every 100 products on average. What percent of the total products is qualified products?
Answer: %
Câu 8:
A rectangular field has a width of 24.5m and its area equals the area of a square with the sides of 35m. Find the perimeter of that rectangular field.
Answer: m
Câu 9:
The area of a triangle ABC is , take the point M on BC such that BM=MC and the point N on AC such that AN=NC. Find the area of the triangle AMN.
Answer:
Câu 10:
A store sold 902kg of rice which is 10.25% of the total amount of rice. How many kilograms of rice were there in that store at first?
Answer: There were kilograms
Câu 9:
The average mass of a group of children is 47kg. If of the number of children are girls and their average mass is 39kg. Find the average mass of the boys.
Answer: The average mass of the boys is kg
Câu 10:
A 6-digit number begins with the digit 8. The number is divisible by 9 and all digits of the number are different. What is the possible smallest value of this number?
Answer:
Giải ngay ! Gải nhanh ! Giải đúng !
Number 2 : The area of a rectangle ABCD is 56cm2. Given a random point E inside of ABCD. Find the total area of triangles AED and BEC.
Answer: ............. cm2.
Number 3 :Peter and Jacob were running. Both of them run with their constant speeds. They started at the same time and the same place. When Jacob reached the finishing line, Peter had only run 5/8 of what Jacob had run. Jacob’s speed is 75m/min (metre per minute) faster than Peter. What was Peter’s speed in m/min?
Answer: ............. m/min.
Question 1 :
My giant flower doubles its size every day. On Friday, it is...... times as big as its was on the preceding Sunday.
Question 2:
100 hundreds + 1000 tens = .... ones
Question 7:
A set of five different numbers has an average of 12. If the average of four smallest numbers is 10 then the greatest number is .......
Question 8:
Jack, Mary and Jacob buy ice creams. Jack buys twice as many as Mary. Jacob buys three times as many as Jack. If Jacob buys 12 ice creams then Mary buys...... ice creams.
Question 9:
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.
Question 10:
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.
Ai nhanh và làm đúng được 3 tick
three containers A, B and C contain a total of 693 apples. First, 25 apples are taken from A and put into B. After that 32 apples are taken from B and put into C. Now each container has the same number of apples. What is the original number of apples in contrainer C? Answer: ... apples
An aquarium is 8dm deep, 12dm long and 0,3m wide. What is the volume of the aquarium in cubic centimeter?
Answer: The volume of the aquarium is ...................cm3.
Question 1: What is the quotient of 0.51 and 17 ? Answer : ......
Question 2: The distance from Anna's house to the store is 1/2 mile . Anna run to the store twice a day , 7 days a week for 3 weeks . How many miles does she run in total ? Answer .....miles
Question 3: Jack needs to earn enough money to buy a new skateboard that costs $48.45 . He has $15.34 . How much money does he need to buy the skateboard ? Answer: $.........
this is a problem in English:
A shop on the first day was seventy eight sacks of rice import, the second day were 91 sacks of rice import. Knowing enter second day over the first day was five hundred and ninety-one point five kg of rice. Ask the store both days enter how much ki - Lot - grams of rice? (Know the weight of each bag of rice is the same)
Answer: Both days are kg rice import stores.
(Enter the result as the most compact decimal)
Bài này rất dễ , bạn nào làm được mk sẽ ủng hộ 2 cái