self Maths Puzzle

During one grading period your test scores are 83, 79, 92, 86, 93. What is the mean, mode, and median Which measure of central tendency would give you the highest grade

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self Other Question

In an A.P, the 12th term is 7 times the 2nd term and the 8th term is 3 more than 10 times the first term. What is the 5th term of the G.P whose first term is the first term of A.P and whose common ratio is equal to the common difference of the A.P.
option
A. 162
B. 144
C. 156
D. 136
How many cubic feet are in 3 cubic yards?