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Factors and Multiples
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Question 1 of 10
1. Question
HCF of two numbers =
Correct
WELL DONE!
Incorrect
OOPS! INCORRECT ANSWER
Correct Answer:
Product of the numbers ÷ their LCM 
Question 2 of 10
2. Question
H.C.F. of two coprime numbers =
Correct
WELL DONE!
Incorrect
OOPS! INCORRECT ANSWER
Correct Answer:
1 
Question 3 of 10
3. Question
L.C.M. of two coprime numbers =
Correct
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Incorrect
OOPS! INCORRECT ANSWER
Correct Answer:
the product of the two numbers 
Question 4 of 10
4. Question
Assertion (A): H.C.F. of 12 and 36 is 12.
Reason(R): If a number p is the factor of the another number q then the H.C.F. of such pair of numbers is always equal to the factor p.Correct
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Incorrect
OOPS! INCORRECT ANSWER
Correct Answer:
Both A and R are correct and R is the correct explanation of A 
Question 5 of 10
5. Question
L.C.M of 120 , 240 , 480 is
Correct
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Incorrect
OOPS! INCORRECT ANSWER
Correct Answer:
480 
Question 6 of 10
6. Question
Which of the following is an example of coprimes
Correct
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OOPS! INCORRECT ANSWER
Correct Answer:
15 , 16 
Question 7 of 10
7. Question
The prime number that comes just after 67 is
Correct
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Incorrect
OOPS! INCORRECT ANSWER
Correct Answer: 71 
Question 8 of 10
8. Question
Number of prime numbers between 50 and 100 are
Correct
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Incorrect
OOPS! INCORRECT ANSWER
Correct Answer:
10
Explanation: 53 , 59 , 61 , 67 , 71 , 73 , 79 , 83 , 89 , 97 
Question 9 of 10
9. Question
Number of multiples of 4 between 161 and 200 are
Correct
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Incorrect
OOPS! INCORRECT ANSWER
Correct Answer:
9
Explanation: 164, 168, 172, 176, 180, 184, 188, 192, 196 
Question 10 of 10
10. Question
Which of the following shows the mirror image of
Correct
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Incorrect
OOPS! INCORRECT ANSWER
Correct Answer: