Mass - practice problems
Mass is a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a force is applied. An object's mass also determines the strength of its gravitational attraction to other bodies. The basic SI unit of mass is the kilogram (kg). Other are gram, tonne, milligram, etc.Number of problems found: 1515
- Strawberries 16
There are 3/4 kg of strawberries on one plate and 2/3 kg on another plate. How many kilograms of strawberries are there altogether? - Two types of ore
A total of 42 tons of two types of ore is to be added into a smelter. The first type contains 6% copper and the other contains 2.5% copper. Find the necessary amounts of each ore to produce 2 tons of copper. - Cu ore An ore contains 5% copper. How much ore is required to obtain 400 grams of copper?
- Britney
Britney made 12 1/4 bags of popcorn for a movie night with some friends. Together they ate 8 7/8 bag of it. How much popcorn was left? Write result as a fraction or a mixed number. - Tomatoes 3
The price of tomatoes was $5.45 per kilo last week; this week, it has increased by $1.35 per kilo. Find the price of tomatoes this week. - Quarter of 60 grams
For a science experiment, students need to find 25% of 60 grams. John says " I can find this by calculation 1/4 of 60" Andre says: 25% of 60 means 25/100 times 60. Do you agree with either of them? Show your reasoning - Apples 31
Tim picked 1 1/10 buckets of apples, and Sally picked buckets 2 1/8 of apples. How many more buckets did Sally pick?
- Dual profit
A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest 18%. He gains 14% on the whole. Find the quantity of 8% profit. - Price of rice
The price of rice is reduced by 5% . How many kilograms of rice can now be bought for the money which was sufficient to buy 50 kg of rice earlier? - Bananas 5
A fruit vendor was able to sell 85% of his 80 kilograms of bananas. How many kilograms of bananas were sold? - A ration
108 kg of ration is sufficient for 18 students for 15 days. Find, for how many students will 70 kg of ration be sufficient for 25 days? - Drying fruit
Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kg of fresh fruits? - Winter clothing drive
Grace's class collected 10 pounds of clothing for the winter clothing drive. Lucia's class collected 1 1/2 times as much clothing as Grace's class. How many pounds of clothing did Lucia's class collect? Write your answer as a fraction or as a whole or mix - Gerda
Gerda is baking. She used 2/3 cup of flour for her pie and 1/3 cup for the cake. How much flour did she use all in all? - Apple in a basket
Cristan put 8/20 kg of apple into a basket. Cris put 7/20 kg of oranges, and Vlad placed 4/20 kg of mangoes into the same basket. How many kilograms of fruits were put inside the basket?
- Gas tank
Mason's car has a gas tank that holds 24 gallons of gas. The tank is precisely 1/4 full. How many gallons of gas are in Mason's car? - Cement, sand, and gravel
Concrete tiles are made using buckets of cement, sand, and gravel mixed in a ratio of 1:4:6. How many buckets of gravel are needed for 4 buckets of cement? - An iron rod
If 22.5 meters of a uniform iron rod weighs 85.5 kg, what will the length of 22.8 kilograms of the same rod? - Deli meat
Mrs. Matthews buys deli meat for her kids' lunches every week. This week she buys 3.75 pounds of ham. How many sandwiches can she make if she uses 0.25 pounds of ham for each sandwich? - A baker 6
A baker prepares a cake mix that weighs 120 pounds. The cake mix consists of 25 1/2 pounds of flour, 32 3/4 pounds of sugar, 20 3/8 pounds of milk, 15 pounds of whole eggs, and a total of 7 1/4 pounds of miscellaneous ingredients. The only other ingredien
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