Grade - practice problems - page 2 of 912
Number of problems found: 18227
- Percents and ratio
When 20% of a number is added to another number, the number increases by 50%. What is the ratio of the two numbers? - 5 yrs
5 yrs ago, the average age of Rasmi and Suravi was 20 yr. Now, the average age of Rasmi, Suravi and Mita is 30 yrs. What will be the age of Mita after 15 years? - Quarter of 60 grams
For a science experiment, students need to find 25% of 60 grams. Jada 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 - Adela
Adela saves part of her allowance every month. She can save about 25 pesos monthly. Her target is to save 1350 pesos for a pair of shoes. If she starts saving by June, can she buy the shoes by December?
- Inverse percentages
If a is 40 percent of b then, what percent is b of a? - A baseball
A baseball is hit over the 325 foot fence, which is 110 feet tall. How far did the ball carry on a straight line when it reached the fence? - 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? - Reciprocal in equation
A positive number, when increased by 10 equals 200 times its reciprocal. What is the number? - The boat
A boatman goes 2 km against the stream in 40 minutes and returns to the same spot in 30 minutes. What is his rate of rowing in still water?
- A plane 3
A plane left 30 minutes later than the scheduled time and in order to reach the destination 1500 km away in time, it has to increase the speed by 250 km/hr from the usual speed. Find its usual speed. - 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. - Fund raising
A number of persons decided to raise 3 millions euros by equal contributions from each. Had they contributed 50 euros each extra, the contribution would have been 3.25 millions euros . How many persons are there? - Prism - base and height
Find volume of the prism if the base area equals 20 inches² with the height is 12 inches. - Divide by mixed number
Solve and choose the answer written in simplest form. 1/6 ÷ 1 2/3
- An article 2
An article is bought for 124 USD. What should be the marked up selling price so that there is a profit of 10% even after allowing a discount of 12%? - Dilution
How many liters of water will have to be added to 1125 liters of the 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content? - Three inscribed objects
A circle is inscribed in a square. An equilateral triangle of side 4√3 is inscribed in that circle. Find the length of the diagonal of the square. - 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? - Lightbulbs
The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 48 and a standard deviation of 10. Using the emp
A fruit vendor was able to sell 85% of his 80 kilograms of bananas. How many kilograms of bananas were sold?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
