GRE Exam Numerical Ability Area and Volume

Patrick is building a garden in the shape of an isosceles triangle with one side of 10. If the perimeter of the garden is 32, which of the following is a possible area of the garden ? A)54 B)64 C)48 D)60 E)24

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GRE Other Question

Each of the even-numbered terms in a certain sequence is formed by multiplying the preceding term by -1. Each of the odd-numbered terms in the sequence is formed by adding 3 to the preceding term. If the first term in the sequence is 3, then what is the 200th term ? A) -3 B) 0 C) 1 D) 3 E)1 Warren can take 4 friends with him on a vacation and is listing the possible combinations of friends. If he has 6 friends to choose from and is numbering each possible combination sequentially beginning with 1, then which of the number/numbers will appear on his list of combinations ? A) 4 B) 9 C) 12 D) 16 E) 18