Numbers - practice problems - page 4 of 310
Mathematics is the science of numbers and counting. The original numbers that began to be counted were natural numbers - one, two, three, and so on. To write numbers, we use the digits 0,1,2,3,4,5,6,7,8,9. We use 10 digits in the decimal system. We know different sets of numbers - whole numbers, real numbers, complex numbers. Fractions are the notation of rational numbers; you can also find them in our offer; even if it is not an extra set of numbers, they are prevalent in practice, so we made an additional category for them.Number of problems found: 6200
- What number
What number must be added to both the numerator and denominator of 3/5 to get 5/6? - Solve 20
Solve an equation with fractions: 5 1/2 - blank equals 23/4. - I read
I read 24 pages of a book. Three-fifth part of the book is still left for reading. How many pages does the whole book have? - The fractions
The fractions 10/3 and 10/X give the same answer when multiplied as they do when they are added. Find the value X.
- Evaluate complex eq
If z=x+yi and 3x+(3x-y)i=4-6i then z= - Stephen
Stephen was thinking of a number. Stephen halves the number and gets an answer of 44.3. Form an equation with x from the information. - Reduce 9
Reduce the fraction 16/24 to the lowest terms. - 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? - Common denominators
Find the common denominator 5/6 and 1/3
- Multiplied and subtracted
When a number is multiplied by ⅔ and subtracted from 7, the result is 2⅓. What is the number? - Twice 3
Twice a certain number is added to 10. If the result is minus fourteen. Find the number - 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. - Fraction money
5/8 of a sum of money is £1.10. What is the whole amount? - Complex equation
If c - d = 2 and c = 12 + 7 i, find d. Write the result in the form of a + bi.
- 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. - The population 2
If 3/5 of a village's population is 366 persons, what is the village's population? - I added
I added 10 to 3 times a number; the result is equal to 4 times the number. What is the number? - Fraction equation
3/5 of a number is 6, more than 1/5 of the number. What is the number? - Fraction equation 3
A number minus one-ninth equals one-half. Find the number.
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