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## Class 6 - Mathematics - Chapter 3

Created by Quizmagic Team on Aug 21, 2014 02:20 PM
`This test gives you questions selected at random from a large bank of questions on topics in Mathematics that are contained in a typical Chapter 3 of the typical Class 6 school curriculum in India. This Chapter covers topics such as odd and even numbers, prime numbers, composite numbers, perfect numbers, co-primes, twin primes, factors and divisors, HCF (highest common factor) and LCM (lowest common multiple). Check out how well you know these. Take the test as many times as you wish, you will get a different set of questions each time! Beat all your classmates and friends! Have fun!!`
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 Questions 15 Minutes 10 High Score 163 00:34 Quiz Played 529 times
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### Sample Questions

Question 1
What is the HCF of 20, 28 and 36?
 5 3 4 6
Question 2
All the crossed out numbers other than 1 in the Sieve of Eratosthenes method are  ________.
 perfect numbers odd numbers prime numbers composite numbers
Question 3
The encircled numbers in the Sieve of Eratosthenes method are _______.
 composite numbers perfect numbers prime numbers odd numbers
Question 4
______ is the smallest composite number.
 3 2 4 1
Question 5
Which of these is the greatest prime number between 1 and 20?
 11 7 18 17
Question 6
Which of the following is a prime number?
 21 15 23 45
Question 7
Numbers having more than two factors are called ______.
 even numbers composite numbers prime numbers perfect numbers
X
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