Basic operations and concepts - math word problems - page 18 of 322

Number of problems found: 6439

Orange juice
Water and orange are mixed in a ratio of 7:4. An amount of 36 cm³ of orange is used. What volume of water is used?
Geometric series
How many terms of the geometric series 8+4+2+1+0.5+... must be taken for the sum to get within 10 to the power minus 4 of its sum to infinity?
Two men
Two men earn in the ratio 5 : 3 and expend in the ratio 9: 5. If each saves 30000 USD every year, find their income.
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)
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.
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,?
The ratio 22
The ratio of two numbers is 5 : 4 and their LCM is 810. Find the sum of numbers .
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
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?
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.
4th digit
Write a digit in place of X so that 85X634 is divisible by 11.

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