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October 18, 2018

If Sn=(Sn-1)-Sn-2, S1=1, and S2=2, then S6=?

by Max@Math Revolution in Problem Solving

September 25, 2018

The sequence Sn has the terms S1=1, S2=2, S3=6, S4=15, S5=31

by Max@Math Revolution in Problem Solving

September 14, 2018

If 1/n(n+1) = 1/n – 1/(n+1), then what is the value of 1/(

by Max@Math Revolution in Problem Solving

September 13, 2018

(1^2+2^2+3^3+…+20^2) / (1+2+3+ …+20)=?

by Max@Math Revolution in Problem Solving

September 6, 2018

Which of the following could be true of at least some of the

by AAPL in Problem Solving

August 28, 2018

What is the sum of all multiples of 3 between 1 and 200?

by Max@Math Revolution in Problem Solving

August 6, 2018

If the vertices of a triangle have coordinates (x, 1),

by BTGmoderatorLU in Data Sufficiency

August 3, 2018

What is the sum of the terms in a certain sequaence of

by swerve in Data Sufficiency

July 28, 2018

If a sequence of positive odd integers has six terms contain

by alanforde800Maximus in Problem Solving

July 19, 2018

If An=An-1/An-2 (n3), A1=1, and A2=-2, then A100=?

by Max@Math Revolution in Problem Solving

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