Hi, let me simplify this for you.

Have you read distribution charts from

MGMAT word problem book? You need to form a chart like this:

Male Female Total

Applied

not Applied

Let total be 100 (100%).

Let total males = y, females = 100-y.

You get applied + Males = 0.72y (72%)

You get applied +Females = 0.80(100-y) (80%)

Rephrase: y = ?

Now, lets look at the statements.

1. Total given, no use since we don't know male/female distribution. Insuff.

2. Applied = 75% total. So, we get 0.72y + 0.8(100-y) = 75. solving gives us y. Suff

B.

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DS - If negative answer only, still sufficient. No need to find exact solution.

PS - Always look at the answers first

CR - Read the question stem first, hunt for conclusion

SC - Meaning first, Grammar second

RC - Mentally connect paragraphs as you proceed. Short = 2min, Long = 3-4 min