Algebra - practice problems - page 5 of 277
Algebra is a branch of mathematics that uses not only numbers and characters but also letters to solve operations. For example 3x+5x is 8x.Number of problems found: 5536
- Reduce 9
Reduce the fraction 16/24 to the lowest terms. - Fruits
2/3 of the fruits are cherries, and the rest are grapes. I sold 1/2 of the cherries and 1/4 of the grapes. If I had 280 left, how many fruits had I at first? - Twice 3
Twice a certain number is added to 10. If the result is minus fourteen. Find the number - The sum 38
The sum of two decimal numbers is four. Their difference is one. What are the numbers?
- Fraction or irrational
If you double 1/4 of a certain fraction and multiply it by that fraction, the answer is 1. What is the fraction? - Leo bought
Leo bought 4 T-shirts and 2 pants of pants for Pho 3000. If the T-shirts cost 300 each, find the cost of each pair of pants - 2 pens
Two pens and 3 pencils cost Rs. 26, 3 pens and 5 pencils cost Rs. 40. What is the cost of one pen and one pencil? - The sum 37
The sum of 5 and one-sixth of a number x is equal to 12 less than x plus 2/5. Find x. - Multiple numerical bases
Find the value of x for which 312four+52x=96ten . Hint: four, x, and ten are the base of the given number.
- Union of sets
Given the sets A = {2, 3, 4, 5} and B = {2, 4, 5, 6} . What is A ∪ B? 1.A ∪ B={2, 4, 5} 2.A ∪ B={3} 3.A ∪ B={2, 3, 4, 5, 6} 4.A ∪ B={6} - The difference 4
The difference between four times a number and five is the same as three more than twice a number. Find the number. - A number 7
A number is such that if we multiply it by 3/5 and add 4/7 to the product, we get -2/35. Find the number. - Twice 2
Twice the difference between a number and 3 is equal to three times the sum of the number and 8. Find the number. - Intersection of two sets
A = {a, b, c, d, e, f, g, h, i}, B = { d, g, f, k, j, a}, find A ∩ B.
- Rupees
Seventy coins of rs 10 and rs 50 are kept in a purse. Suppose the total value of the money in the purse is RS.1900. find the number of each type of coin. - Set complement
Let U = {1, 3, 5, 7, 9, 11} and A = {1, 5, 9}. What are the elements of A’? A. {3, 7, 11} B. {0} C. {1, 3, 9} D. {2, 4, 6, 8, 10} - Simple coefficient
Find the value of k; if x = 3, y = 2 is a solution of the equation 2x + 3y = k. - Math class
There are a total of 30 students in a math class. The number of boys is 2 more than 3 times the number of girls. How many boys are in this math class? - School library 2
There are 3 times as many books in the town library as in the school library. The town library has 2,676 books. A. How many books are in the school library? B. Which of the following is a division equation that can be used to find the number of books in t
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