Quiz on number theory

The greatest common divisor of 0 and 5

• 0

• 1

• 2

• 5

If 𝑎=𝑞𝑏 for some integers q and 𝑎,𝑏≠0 then we say that

• b divides a

• a is a multiple of b

• b is a factor of a

• All of these

Linear congruence is of the form ______

• ax = b(mod m)

• ax²+ bx = c(mod m)

• b| d

• m| d

• d| b

• a| d

If a positive integer m divides the difference of two integers a and b i.e. m|(a-b), then

• a = b(mod m)

If 𝑎=𝑞𝑏+𝑟, then

• gcd(a, b) ≠ gcd(b, r)

• gcd(a, b) = gcd(q, r)  

• gcd(a, b) = gcd(b, r)

• None of these

What is the degree of vertex 4?

• 3

• 4

• 5

• 7

Which Theorem is represented by the map presented?

• Kruskal's Theorem

• Four Color Theorem

• Prim's Theorem

• Coloring is fun!

What age did Srinivasa Ramanujan die at?

• 42

• 32

• 53

• 22

Who was Ramanujan spouse?

• Shakunthala Devi

• Janakiammal

• Jayalalitha

• Emmy Noether