MTH104 Solved Quiz 1 2024 by Iqra Azhar

If set A has 3 elements and set B has 4 elements, how many elements are there in the Cartesian product B × A?Select the

2. The set Q of rational numbers is complete. Select the correct option True False
3. Least common multiple of 9 and 21 is __________.Select the
4. gcd(31, 15) = ____________.Select the correct option

None

5. Let a=23.52.73andb=25.34.56.112. Findlcm(a,b).Select the correct option lcm(a,b)=23.52 lcm(a,b)=25.34.56.73.112 none lcm(a,b)=23.52.34.73.112
6. The interval satisfying the inequality |x| < -3 is __________.Select the correct option 2×3×13

11. option 3×26

6×13 2×3×13 12. Fundamental theorem of arithmetic is “Every integer n > 1 can be expressed uniquely ______________”Select the correct optionas a product of composite numbers. as a product of prime numbers .as a product of prime and composite numbers. none 13. Greatest common divisor of 24 and 60 is

14. Let A = {1, 2, 4}, and let R be a relation on A defined by “x divides y”, written x|y. Then _________________.Select the

R = { (1, 2), (1, 4), (2, 2), (2, 4), (4, 4)} None R = {(1, 1), (1, 2), (1, 4), (2, 2), (2, 4), (4, 4)} R = {(1, 1), (1, 2), (1, 4), (2, 4)} 15. 16. Findxandygiven(3x,x−y)=(3,3).Select the correct option (-1, 2) (1, -2) (1, 2)

(-1, -2) 17. The distance between -2 and 14 on the real line is

-16 18. If p is a prime number and p does not divide a, then gcd(p, a)

None p a

19. Let a and b be real numbers. Then |a ± b| ≥ ||a|| - ||b||.Select the correct option True False 20. If p is a prime number and p | a, then gcd(p, a) =

a+p p none