Natural numbers - practice problems - page 5 of 92
Number of problems found: 1834
- Unknown en
I think of a number. If I subtract 9 from it and multiply this difference by 4, the result is 128. Form an equation and solve it to find the number. - LCM and HCF 2 If the product of two numbers is 5780 and their HCF is 17, then what is their LCM?
- The ratio 13
The ratio of boys to girls in Mr. Hakeem's class is 6:4. If there are 18 boys, how many girls are there? - A number 8 A number K is such that when it is divided by 27, 30, or 45, the remainder is 3. Find the smallest possible value of K
- Digits sum
A two-digit number is 3 times the sum of its digits. If 45 is added to the number, its digits are interchanged. Find the sum of the digits of the number. - Horses and hens
In a park, there are some horses and some hens. If the total number of heads is 68 and the total number of legs is 198, find the number of hens in the park. - The ratio 22
The ratio of two numbers is 5:4 and their LCM is 800. Find the sum of the two numbers. - HCF - big numbers Find the HCF of 72030 and 88200
- 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? - With remainder What is the greatest number that divides 13850 and 17030 leaves a remainder 17?
- Exactly divisibled Find the least number that can be divided exactly by all the even numbers between 10 and 20
- Cardinals and robins
Lee saw c cardinals and 5 robins in his yard. Write the expression that shows the number of birds Lee saw in all. - 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. - Unknown number 35 I am a number between 121 and 149. I can be divided by both 3 and 5. What number am I?
- LCM and HCF 3 LCM of two integers is 1237. What is their HCF?
- When three When three positive integers a, b, and c are multiplied together, their product is 64. Suppose a < b < c. In how many ways can the numbers be chosen?
- Empty rooms
In the tourist dormitory, 44 students slept in eight rooms, some of which were four-bed and others six-bed. When two beds were empty, how many four-bed and six-bed rooms were there in the dormitory? - 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? - LCMs What is the difference between the LCM (16, 400) and LCM (15, 65)?
- 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?
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
