Have an account?
Skip to Content
Build your own quiz
10 questions
Show Answers
See Preview
- 1. Multiple Choice
a|1 if and only if ……………
a=1
a=-1
a=±1
a=0
- 2. Multiple Choice
The Diophantine equation
has ................. solnsone soln
two solns
no soln
many solns
- 3. Multiple Choice
The lcm(a,b) =ab if and only if …………………
gcd(a,b)=0
gcd(a,b)=1
gcd(a,b) 1
gcd(a,b)=2
- 4. Multiple Choice
Let a=qb+r and if r=0, then b/a and gcd(a,b)= …………..
a
b
q
0
- 5. Multiple Choice
If a|b then a|bc.
true
false
- 6. Multiple Choice
Identify the solutions of the linear congruence 9x≡21(mod30).
0
1
3
2
- 7. Multiple Choice
The linear congruence ax≡b(mod n) has how many solutions if gcd(a,n)=1
no soln
one soln
two soln
three soln
- 8. Multiple Choice
The linear congruence 36x≡8(mod102) has no solution
true
false
- 9. Multiple Choice
16!≡…………………..(mod 17)
-1
1
0
2
- 10. Multiple Choice
In division algorithm, the possible remainders of r when b=2 are …………….
0 and 1
1 and 2
1
0
- Answer choicesTagsAnswer choicesTags