Page 1 - Assessment Objective
P. 1
Objective Assessment-2
1. Number of even numbers between 58 and 80 is
(a) 10 (b) 11 (c) 12 (d) 13
2. Which of the following pairs is not coprime?
(a) 8, 10 (b) 11, 12 (c) 1, 3 (d) 31, 33
3. If the sum of two distinct whole numbers is odd, then their difference also must be
odd. (T/F)
4. A number for which the sum of all its factors is equal to twice the number is called
a _____ number.
5. The numbers having more than two factors are called _____ numbers.
6. 2 is the only _____ number which is even.
(a) Odd (b) Even (c) Prime (d) None of these
7. Two numbers having only 1 as a common factor are called_____ numbers.
8. If an even number is divided by 2, the quotient is always odd. (T/F)
9. The smallest composite number is _____.
10. All even numbers are composite numbers. (T/F)