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In 2010, for the first time, the number of books purchased online were in excess of the number of books purchased in stores.
Seeming to be one of the few approaches to early education that emphasized self-expression, liberty, and spontaneous activity, many parents ignored the criticisms put forth by structuralists and continued to enroll their children in the Montessori system.
From 1990 on, Bollywood’s box office revenues have soared, but production budgets and actors’ remunerations too.
If a = 17 + 9 3 + 2, which of the following must be true?
Set contains five distinct positive integers . Is the mean of set greater than its median?
(1) The largest integer in set is
(2) The smallest integer in set is
If represents the tens digit in
what is the value of ?
(1) is divisible by 6
(2) is divisible by 4
The recent economic turmoil has been particularly harmful to small businesses, and these businesses can no longer qualify for working capital loans, and current market conditions stop them from raising prices to compensate.
If and are both positive integers, then is also an integer?
(1) is divisible by 5
(2) is divisible by 5
The first room of a hotel is Room 1, and the rest of the rooms are numbered consecutively without skipping any numbers. Each room's number is posted on its door using a seperate number plate for each digit. If the hotel needs exactly 999 number plates to number its rooms, how many rooms are in the hotel?
Given two sets and , if one number is chosen from each set at random, what is the probability that the sum of both the numbers is an even number?
Sequence is defined as , , and for all :
What is the value of ?
If two numbers are selected at random from set (duplicates allowed), then what is the probability that the sum of the numbers is even?
Is ( a b ) > 1?
(1)
(2) ( a b ) > 0
If x is a two-digit integer, and a is the tens digit and b is the units digit, what is x?
(1) a + b = 10
(2) a − b = 8