Ganita Prakash Chapter 5 Prime time

General Instructions

  • Your test contains multiple-choice questions with only one answer-type question. There are a total of 10 questions
  • This is a 20 min test. Please make sure you complete it in the stipulated time
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1. Prime factorization of 152 is
2. Is 39 and 385 co prime?
3. The number which is divisible by 9 is
4. Number divisible by 6 is
5. which of these is a composite number
6. The smallest number that is multiple of all the numbers from  1 to 10 is
7. The largest common factor between 56 and 120
8. Find the LCM of 180 and  72
9. which of the following are co -primes?
10. Find the GCF of 144 and 81

 

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