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237681 Questions
Oct 24, 2025
0
1
1
+106
Math
Distinct prime numbers p, q, and r satisfy the equation p(q + r) = 16. Which of the following prime numbers must either q or r be equal to?
2 3 5 7 11
ElectricPavlov
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BlackoutMiIkshake
Oct 24, 2025
0
1
1
+106
Math
The triangle with vertices at (1,0), (0,1), and (k,k) has area 1/2. Find k.
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BlackoutMiIkshake
Oct 24, 2025
0
1
1
+106
Math
Mrs. Monstrous Millie wants to throw a party for a group of monsters and aliens. The monsters each have 5 heads with 7 ears on each head, and the aliens each have 5 heads with 3 ears on each head. As party favors, Mrs. Millie wants to give each guest a
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BlackoutMiIkshake
Oct 24, 2025
Oct 23, 2025
Oct 22, 2025
0
1
1
+106
Math
Siva starts at vertex A of square ABCD with side length 10. He walks towards vertex C, along the diagonal AC. He then walks towards B, then towards D. What is the length of his path?
Bosco
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BlackoutMiIkshake
Oct 22, 2025
0
1
2
+106
Math
William writes the integers from 2 through 15 from left to right on a piece of paper, then does the following:
* He begins by circling the leftmost uncircled integer, then circles all its powers. Afterwards, he repeats this process until every
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BlackoutMiIkshake
Oct 22, 2025
+1
1
1
+106
Math
Two chords with length r are drawn on a circle of radius r. What is the maximum possible distance between their endpoints?
asinus
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BlackoutMiIkshake
Oct 22, 2025
Oct 21, 2025
+1
2
1
+106
Math
In the diagram below, AB = AC = 1, and arc BC is centered at A with \angle BAC = 60^\circ. Point D is on \overline{AB}, and point E is on arc BC so that BD = DE, and arc BE (centered at D) is tangent to \overline{AC}. Point F is on \overline{DB},
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BlackoutMiIkshake
Oct 21, 2025
0
1
0
+106
Math
Let ABC be a triangle with \angle B = 90^{\circ}. Suppose that point D lies on segment BC such that angle BAD = \angle CAD, and suppose that point E lies on segment AC such that angle EDA = 60^{\circ}. Given that AD = AC and that CE = 17, find BD.
<
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BlackoutMiIkshake
Oct 21, 2025
Oct 20, 2025
0
1
2
+106
Math
A number is chosen at random from among all 9-digit numbers that use each of the digits 1 through 9 exactly once. What is the probability that this number is a multiple of 2?
Bosco
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BlackoutMiIkshake
Oct 20, 2025
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