Question
The product of a rational and an irrational number is
- Always an integer
- Always a rational number
- Always an irrational number
- Sometimes rational and sometimes irrational
The correct answer is: Always an irrational number
Always an irrational number, is the correct answer
The product of any rational number and any irrational number will always be an irrational number.
for example : 
is an irrational number
is an irrational numberRelated Questions to study
The number 1.101001000100001... is
The number 1.101001000100001... is
Which place-value model shows 903?
Which place-value model shows 903?
Multiply the numbers.
__________
Multiply the numbers.
__________
Add the numbers.
12+5+1= 
Add the numbers.
12+5+1=
Fill in the blank.
___________
Fill in the blank.
___________
Fill in the blank.
Fill in the blank.
Fill in the blank.
Fill in the blank.
A hotel has 10 floors, each with 25 rooms. If the hotel is fully occupied and the rooms cost $100 including utilities and internet, then the hotel will get in one single night $ ___________.(Apply)
A hotel has 10 floors, each with 25 rooms. If the hotel is fully occupied and the rooms cost $100 including utilities and internet, then the hotel will get in one single night $ ___________.(Apply)
Which signs make the statement true?
553 ____ 900
Which signs make the statement true?
553 ____ 900
Choose the correct addition statement from the following.
Choose the correct addition statement from the following.
Add the digits of the same place value of all numbers and write the resultant.
Choose the correct addition statement from the following.
Choose the correct addition statement from the following.
Add the digits of the same place value of all numbers and write the resultant.
Manya has 70 cakes. She has given 40 cakes to Rahul. The cakes were left____.
Manya has 70 cakes. She has given 40 cakes to Rahul. The cakes were left____.
Total number of cakes = Number of cakes she gave to Rahul + Number of cakes remaining.
Manya has 70 cakes. She has given 40 cakes to Rahul. The cakes were left____.
Manya has 70 cakes. She has given 40 cakes to Rahul. The cakes were left____.
Total number of cakes = Number of cakes she gave to Rahul + Number of cakes remaining.
There are 50 boys and 80 girls in a school. The students in the school altogether is______.
There are 50 boys and 80 girls in a school. The students in the school altogether is______.
Total number of students = Number of boys + Number of girls.
There are 50 boys and 80 girls in a school. The students in the school altogether is______.
There are 50 boys and 80 girls in a school. The students in the school altogether is______.
Total number of students = Number of boys + Number of girls.
Danial has 645 green balloons; he gave Thomos 168 of the balloons. The green balloons left with her is __________.
Danial has 645 green balloons; he gave Thomos 168 of the balloons. The green balloons left with her is __________.
Danial has 645 green balloons; he gave Thomos 168 of the balloons. The green balloons left with her is __________.
Danial has 645 green balloons; he gave Thomos 168 of the balloons. The green balloons left with her is __________.
The sum of two numbers is 99, if one number is 45, the other one is
The sum of two numbers is 99, if one number is 45, the other one is
Sum of two numbers = the given number + the kther number
The sum of two numbers is 99, if one number is 45, the other one is
The sum of two numbers is 99, if one number is 45, the other one is
Sum of two numbers = the given number + the kther number
Out of 45 students of a class 7 students failed. The number of students passed is ______.
Out of 45 students of a class 7 students failed. The number of students passed is ______.
Total number of students = Number of passed students + Number of failed students.
Out of 45 students of a class 7 students failed. The number of students passed is ______.
Out of 45 students of a class 7 students failed. The number of students passed is ______.
Total number of students = Number of passed students + Number of failed students.
