What is a number for which the sum of all its factors is equal to twice the number?
2.Playing with Numbers Quiz

Quiz
•
Mathematics
•
7th Grade
•
Hard
Nivetha Velmurgan
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prime Number
Odd Number
Composite Number
Perfect Number
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which number is neither a prime nor a composite number?
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest prime number which is even?
5
7
3
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a number has 0 in the ones place, then it is divisible by which number?
10
5
3
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the sum of the digits of a number is divisible by 3, then the number is divisible by which number?
2
3
5
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are two numbers having only 1 as a common factor called?
Prime numbers
Odd numbers
Even numbers
Co-prime numbers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the highest common factor (HCF) of two or more given numbers?
The lowest of their common factors
The product of their common factors
The highest of their common factors
The sum of their common factors
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