Integers - practice problems - page 3 of 18

Number of problems found: 345

Repeating to infinity
How do I express 0.99999999… as a fraction? (nine repeating) Another questions: Can you write .9999 repeating as a fraction? How do you turn 0.9 repeating into a fraction?
Horses equation
Some men and equal number of horses are going somewhere. Half the sitting on the horses and rest are walking with the horses. If the number of feet on the ground is 70, how many horses are there?
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?
The sum 33
The sum of two integers is -500. If one of them is 600, then find the other integer.
The sum 30
The sum of 8 times a number and 5 times another number is 184. The first number minus the second number is -3. What are the numbers?
Evaluate expressions
Which expression equals 12? ...
Twice 3
Twice a certain number is added to 10. If the result is minus fourteen. Find the number
The sum 50
The sum of five consecutive integers is 385. Which one of these five integers is prime?
The difference 6
The difference between a number and 15 is multiplied by -3, and the result is - 30
The expression 2
The expression (3+i)(1+2i) can be written in the form a+bi, where a and b are integers. What are the values of a and b?
The sum 35
The sum of the two numbers is -20. One number is 3 more than the other one. Find the numbers.
Temperature bellow zero
At 3 PM, the temperature was 12°F. It then began dropping 2°F every hour for 7 hours. What was the temperature after 7 hours?
X and Y
X and Y are positive integers. If X+Y+XY=32, what is the difference between X and Y?
Literacy ratio
The town's population is 311250. The ratio of women to men is 43: 40. If 24% of men and 8% of women are literate, then find the total number of literate persons in the town.
Student examination
How many ways can a teacher select a group of 6 students to sit in the front row if the class has 13 students?
Shipping problem
Paul works in the shipping department of a toy company. He sends toys in boxes, each in the shape of a rectangular prism with whole-number dimensions in inches. Paul needs a box with a total volume of 24 cubic inches. Find one possible combination of leng
A,B,C,D
A, B, C, D are four consecutive odd integers and their average is 42. What is the product of B and D?
Temperature in Portland
On Sunday afternoon the temperature in Portland was 2°C. By midnight the temperature had dropped by 8°C. What was the temperature at midnight?
One evening 2
One evening, the temperature in Miami was 28°C. During that same evening in Anchorage, it was 32°C cooler than it was in Miami. What was the temperature in Anchorage?

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