If a is the hundredths digit in the decimal 0.7a and if b is the thousands digit in the decimal 0.08b, where a and b are nonzero digit, which of the following is closest to the least possible value of 0.7a/0.08b ?
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It is known that 1.117 is approximately equal to 5.05. What is the approximate value of 1.150 ?
A certain number of men can do a piece of work in 18 days working 8 hours a day. If the number of men is increased by 1/3 and the time spent per day is decreased by half, in how many days will the same work be completed?
Which of the following can be the number of integers between 3x and 9x, both inclusive, if x is a positive integer?
Nathan took out a student loan for 1200$ at 10 percent annual interest, compounded annually. If he did not repay any of the loan or interest during the first 3 years, which of the following is the closest to the amount of interest he owed for the 3 years.
The three-digit integer kss is the sum of the two-digit integers ks and rs, where k, r, and s are the digits of the integers. Which of the following must be true?
I. k = 2
II. r = 9
III. s = 5
If Q is an odd number and the median of Q consecutive integers is 120, what is the largest of these integers?