Algebra - math word problems - page 21 of 303

Number of problems found: 6048

Selling the article
If an article is sold at a gain of 6% instead of at a loss of 6%, then the seller gets 6 euros more. Find the cost price of the article.
Same expenses
If the price of tea increases by 20%, what percent must the consumption be reduced to keep the expense the same?
Interest over time
If certain sum at compound interest becomes double in 5 years, then, in how many years, it will be 16 times at the same rate of interest?
A discount 2
A discount of 52.50 dollars is obtained if a discount of 15% is allowed. Find the marked price and the selling price.
Parallel tracks
Two trains cross each other in 14 seconds when running in opposite directions along parallel tracks. The faster train is 160 m long and crosses a lamp post in 12 seconds. If the speed of the other train is 6 km/hr less than the faster one, its length, in
Peter 16
Peter travels to his uncle's home, 30 km away from his place. He cycles for 2/3 of the journey before the cycle develops a mechanical problem, and he has to push it for the rest of the journey. If he is cycling 10 km per hour faster than his walking speed
The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions?
Series - double GP
In the following series, which number will replace the question mark? 4, 32, 16, 128, 64,?
Train station
A man walks from his house to station. If he walks at 5 km/h he misses a train by 7 minutes. However, if he walks at 6 km/h, he reaches the station 5 minutes before the departure of the train. Find the distance covered by him to reach the station.
Arithmetic progressions.
Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3.
HCF of polynoms
Find the HCF of the given expression: 2a²b²c⁴, 2a⁴b³c³ and 4a²b³
The rice 2
60 kg of a certain variety of rice at Rs 32 per kg is mixed with 48 kg of another variety of rice, and the mixture is sold at the average price of Rs 28 per kg. If there is no profit or loss due to the new sale price, then find the price of the second var
Two trains 13
Two trains start at the same time toward each other from stations A and B at respective speeds of 36 km/h and 42 km/h. When they meet, it was found that one train has covered 48 km more than the other. Find the distance between the two stations.
In 1970
In 1970 the population was 24,000. In 1980 the population was 28,800. By what percent did the population increase?
The proportion
The proportion's first, second, and third terms are 4, 20, and 13. Find the fourth term.
Three 241
Three-fifths of the t-shirts in a t-shirt shop are blue. Five-eights of those T-shirts are on sale. One-third of the blue of the blue shirts that are on sale are size medium. What fraction of the shop's blue T-shirts are on sale and size medium?
Domino
Domino and Winnie share some biscuits. The ratio of biscuits between them was 4:3. Domino gave Winnie 5 biscuits, and the ratio changed to 1:2. How many biscuits are in total?
Hoverboard
Adam lives in Podhradí, and his friend Marcel lives in Lhota. Lhota is 6 km from Podhradí. Adam travels the same distance on a hoverboard in 20 minutes as Marcel does in 25 minutes. They leave home simultaneously, drive towards each other, and meet in pre
Three in a ratio
If A is 40% more than B, B is 20% less than C then, find the ratio A : C.
By selling 2
By selling 100 pens, a shopkeeper gains the selling price of 20 pens. Find his gain percent.

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