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2021 Amc 12 B Fall Amc Class 12 Maths Problems and Solutions
AMC Class 12
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English > Maths > All > 2021 Amc 12 B Fall
Question
Level
Action
What is the area of the shaded figure shown below?
$$ be the quotient obtained when the sum of all positive div......
Level 3
What is the average number of pairs of consecutive integers in a randomly selected subset of 5 disti......
Level 3
What is the sum of all possible values of $$t$$ between $$0^{\circ}$$ and $$360^{\circ}$$ such that ......
Level 4
Let $$C=\frac{2 \pi}{11}$$.
What is the value of
$$\frac{\sin 3 C \times \sin 6 C \times \sin 9 C \......
Level 4
Suppose that $$P(z), Q(z)$$, and $$R(z)$$ are polynomials with real coefficients, having degrees $$2......
Level 4
Three identical square sheets of paper each with side length 6 are stacked on top of each other. The......
Level 4
Suppose $$a, b, c$$ are positive integers such that
$$a+b+c=23$$
and
$${gcd}(a, b)+{gcd}(b, c)+{gcd}......
Level 4
A bug starts at a vertex of a grid made of equilateral triangles of side length $$1.$$ At each step ......
Level 5
Set $$u{0}=\frac{1}{4}$$, and for $$k \geq 0$$ let $$u{k+1}$$ be determined by the recurrence
$$u{k+......
Level 5
Regular polygons with $$5,6,7$$, and $$8$$ sides are inscribed in the same circle. No two of the pol......
Level 5