Equations practice problems - page 4 of 247
Number of problems found: 4937
- 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) Additional questions: Can you write 0.9999… repeating as a fraction? How do you convert 0.9 repeating into a fraction? - Twice the unknown
I am twice a certain number. If 8 is subtracted from me, the result is 6. What am I? - By selling
By selling an article for $21, a trader loses a percentage equal to the cost price of the article. Find the cost price. - Two trains 15
A train travelling at 50 km/h leaves Delhi at 8 AM and another train travelling at 70 km/h leaves Delhi at 11 AM in the same direction. How many km from Delhi will they be when the faster train catches the slower one? - Drying fruit
Fresh fruit contains 68% water and dried fruit contains 20% water. How much dried fruit can be obtained from 100 kg of fresh fruit? - Five men
5 men or 9 women can complete a piece of work in 19 days. In how many days will 3 men and 6 women complete it? - A business
Two people, A and B, start a business. A invested $21,000 from the beginning. B joined later with $36,000. 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 seconds and a 210 m long platform in 16 seconds. Find the length and the speed of the train. - Shares $1,300 are divided among A, B, C, and D such that A/B = B/C = C/D = 2/3.
- Two class train The ratio of first-class to second-class train fares between two stations is 3:1, and the ratio of passengers travelling first-class to second-class is 1:50. If a total of $1,325 was collected on a particular day, how many dollars were collected from seco
- Two circles 3
Two circles are inscribed in a square with a side of 4 cm. Find the radius of the smaller circle. - Monthly income
There are three workers: X, Y, and Z. The average monthly income of X and Y is $5,050. The average monthly income of Y and Z is $6,250, and the average monthly income of X and Z is $5,200. What is the monthly income of X? - Big school 2
The ratio of boys to girls in a school of 450 pupils is 4:5. When some new boys and girls are admitted, the number of boys increases by 25 and the ratio of boys to girls changes to 9:13. Calculate the number of new girls admitted. - Worker 25
Worker A can complete 2/3 of a certain job in 12 days, and worker B can complete 1/6 of the same job in 4 days. In how many days will they complete the job if they work together? - 5 years 5 years ago, a father's age was three times the age of his son. In 5 years' time, the father's age will be twice the age of his son. Find their current ages.
- Money exchange A told B, "If you give me 1/3 of your money, I'll have $50." In turn, B told A, "If you give me $9, we'll have the same amount." Find how much money each of them has.
- Solve 29 Solve for x. 8=2x+4
- The sum 50
The sum of five consecutive integers is 385. Which one of these five integers is prime? - Work in factory 45 men can complete a work in 16 days, but after some days they started working 30 more men joined them and completed the remaining work in 6 days. How many days after the commencement of the job did 30 men join?
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