Natural numbers - practice problems - page 6 of 92
Number of problems found: 1824
- Solve 25
Solve for a in (a+8)/2-3(a+10)/5=1. - The remainder 3 The remainder is 31 when dividing a number by 45. What would the remainder be if the same number were divided by 15?
- Cows and hens
In a group of cows and hens, the number of legs is 14, more than twice the number of heads. Find the number of cows. - Cupcakes
Keia and Hiro made a total of 27 cupcakes. Keia made 2 times as many cupcakes as Hiro. How many cupcakes did Hiro make? - Heads and legs 2
There are a number of unspecified numbers of cows and hens in a den. If there are a total of 30 heads and 80 legs in the den, find the number of cows and hens in the den. - Factorial divisible by 75 Find the least positive integer n such that n! is divisible by 75.
- The sum 50 The sum of five consecutive integers is 385. Which one of these five integers is prime?
- Five and four
Five divided by four times the number is 0.25. What is that number? - Twice the unknown
I am twice a number. If -8 is subtracted from me, the answer is 6. What am I? - Evaluate expressions Which expression equals 12? ...
- The sum 32 The sum of three consecutive odd numbers is 33. What are the three consecutive odd numbers?
- Simple equation 12 Three times a number divided by 2 plus 5 equals 20. Find the number.
- Divisor of two numbers Find the (greatest common) divisor of 18 and 45.
- 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.
- The remainder
Find the remainder if 17²00 is divided by 18. - 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.
- I added
I added 10 to 3 times a number; the result is equal to 4 times the number. What is the number? - The number 88 Write the number 88 as a product of prime factors.
- The difference 6
The difference between a number and 15 is multiplied by -3, and the result is - 30 - The sum 38 The sum of two decimal numbers is four. Their difference is one. What are the numbers?
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