GMAT PREP QUESTION

Not able to get the question

I have still not understood the difference here.

This argument is based on the assumption that deer's population won't increase. The right answer B has actually hit on the assumption and questions the gap between conclusion and assumption.The conclusion doesn't say anything about population of deer. D doesn't contribute to the discussion. Lets say...

For cause and effect type of reasoning there are some well defined rules. (1) if Cause ------> effect then effect ----X---> cause (2) if Cause ------> effect then NOT cause ------> NOT effect (3) if Cause 1 -----> effect then any other Cause CAN NOT HAVE effect The choice D is the example of (1)

Probability

If x is a randomly chosen integer between 1 and 20, inclusive, and y is a randomly chosen integer between 21 and 40, inclusive, what is the probability that xy is a multiple of 4?
(A) 1/4
(B) 1/3
(C) 3/8
(D) 7/16
(E) 1/2

Try to organize and try organising

What is the difference between them ?

prepositional phrase

The results of the company’s cost-cutting measures are evident in its profits, which increased 5 percent during the first 3 months of this year after it fell over the last two years. (A) which increased 5 percent during the first 3 months of this year after it fell (B) which had increased 5 percen...

paradox

Juvenile monkeys that are separated from their mothers will often show self-destructive behavior, such as picking at their fur or refusing to eat. These behaviors are the most prevalent in monkeys that are caged alone, are somewhat less prevalent when the monkeys are caged with other, unrelated juve...