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题目： If n is an integer, what is the least possible value of n such that $$40,000,000 < 5^{n}$$ ?

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题目： x and y are positive integers such that x < y. If$$6\sqrt{6} =x\sqrt{y}$$ , then xy could equal

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题目： At a certain symphonic concert, tickets for the orchestra level were $50 and tickets for the balcony level were $30. These two ticket types were the only source of revenue for this concert. If R% of the revenue for the concert was from the sale of balcony tickets, and B% of the tickets sold were balcony tickets, then which of the following expresses B in terms of R?

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题目： If $$6^{A} = 2, 6^{B} = 5, and 6^{Q} = 15$$, then express Q in terms of A and/or B.

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题目： A sum of money was distributed among Lyle, Bob and Chloe. First, Lyle received 4 dollars plus one-half of what remained. Next, Bob received 4 dollars plus one-third of what remained. Finally, Chloe received the remaining $32. How many dollars did Bob receive?

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题目： If A, B and C represent different digits in the multiplication, then A + B + C =

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题目： If three primes are randomly selected from the prime numbers less than 30 and no prime can be chosen more than once, what is the probability that the sum of the three prime numbers selected will be even?

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题目： A sequence is defined by$$ s_n = (s_{n – 1} – 1)(s_{n – 2})$$ for n > 2,and it has the starting values of$$ s_1 = 2$$ and $$s_4 = 9.$$ All terms are positive. Find the value of $$s_6$$.

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题目： There are 10 employees in an office, not counting the office manager. The table shows how many employees have 0, 1, 2 or 3 pets. If the office manager also were included in the table, the average (arithmetic mean) number of pets per person would equal the median number of pets per person. How many pets does the office manager have?

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题目： If an object travels 100 feet in 2 seconds, what is the object's approximate speed in miles per hour? (Note: 1 mile = 5280 feet)

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题目： Set A: {1, 3, 4, 6, 9, 12, 15}If three numbers are randomly selected from set A without replacement, what is the probability that the sum of the three numbers is divisible by 3?

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题目： If the numbers $$\frac{19}{36}, \frac{5}{11}, \frac{12}{25},\frac{ 6}{11}, and \frac{8}{18}$$ were arranged from least to greatest, which number would be in the middle?

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题目： $$8^{16}+16^{13}+4^{24}$$=

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题目： In how many different ways can 3 boys and 3 girls be seated in a row of 6 chairs such that the girls are not separated, and the boys are not separated?

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题目： The units digit of$$(137^{13})^{47}$$ is: