Numbers - practice problems - page 5 of 326
Number of problems found: 6520
- 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. - A mixed school
In a mixed school, 5/9 of the pupils are boys. If there are 128 girls, how many pupils are there altogether? - Last Friday
3/4 of the children were present at school last Friday. If there are 90 children present, how many children were absent? - Twice the unknown
I am twice a number. If -8 is subtracted from me, the answer is 6. What am I?
- Two 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. - 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? - 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? - The sum 50 The sum of five consecutive integers is 385. Which one of these five integers is prime?
- Simple equation 12 Three times a number divided by 2 plus 5 equals 20. Find the number.
- Numerators and denominators 2 A fraction becomes 2 when 1 is added to both the numerator and denominator and it becomes 3 when 1 is subtracted from both numerator and denominator. Find the difference of numerator and denominator.
- Find value Find value of x: x/5+x/2=-1/5-3x/2
- 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
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