Equations practice problems - page 3 of 227
Number of problems found: 4538
- Failed in examination
In an examination, 20% of total students failed in history,15% failed in English and 5% of total number of students failed in both subjects. Find the percentage of total number of students who passed in both the subjects. - Horses and hens
In a park, there are some horses and some hens. If total number of heads 68 and number of legs together is 198. Then find the number of hens in the park. - Usual speed 2
A passenger train takes 1 h less for a journey of 120 km.If its speed increased by 10 k/h from its usual speed. What is its usual speed? - Sarah 7
Sarah bought snacks for her team's practice. She bought a bag of chips for $1.56 and a 20-pack of juice bottles. The total cost before tax was $33.96. Write and solve an equation which can be used to determine, how much each bottle of juice cost.
- A man 23
A man has some money. He gives 50% of it to his wife and 40% of the remaining to his daughter. He gives the rest to his son. If the son receives 12000 euro, how much did his wife receive? - The supplementary angles
Two supplementary angles differ by 50°, find the measure of each angle. - Repeating to infinity
How do I express 0.99999999… as a fraction? (nine repeating) Another questions: Can you write .9999 repeating as a fraction? How do you turn 0.9 repeating into a fraction? - Twice the unknown
I am twice a number. If -8 is subtracted from me, the answer is 6. What am I? - By selling
By selling an article for $ 21, a trader loses as much percent as the cost price of the article. Find the cost price.
- Two trains 15
A train travelling 50 kmph leaves Delhi at 8 AM and another train travelling 70 kmph leaves Delhi at 11 AM in the same direction. How many km from Delhi will they be together? - 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? - Five men
5 men or 9 women can do a piece of work in 19 days, in how many days will 3 men and 6 women do it? - A business
Two people, A and B starts a businesses. A began a business with $ 21000 and is joined afterwards by B with $ 36000. After how many months did B join, if the profits at the end of the year are divided equally? - A long train A train passes a standing man in 6 sec and 210 m long platform in 16 s . Find the length and the speed of the train.
- Shares 1300 USD are divided among A, B, C and D in such a way that: share of (A/B)=(B/C)=(C/D) = (2/3)
- Two class train The ratio of first and second class train fares between two stations is 3:1 and that of the number of passengers travelling between these stations by first and second class is 1:50. If on a particular day USD 1325 be collected, then the amount collected f
- Two circles 3
Two circles are inscribed in a square whose side is 4 cm. Find the radius of the smaller circle. - Monthly income There are three working people - X, Y, Z. The average monthly income of X and Y is 5050 USD.The average monthly income of Y and Z is 6250 USD, and the average monthly income of X and Z is 5200 USD. What is monthly income of X?
- Big school 2
The ratio of the number of boys to the number of girls in a school of 450 pupil is 4 : 5 . When some new boys and girls are admitted, the number of boys increases by 25 and ratio of boys and girls changes to 9 : 13 . Calculate the number of new girls admi
Worker A can do 2/3 of a certain work in 12 days and B can do 1/6 of the same work in 4 days, Find in how many days will they together complete the work?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
