vanidhar wrote:

Of 30 applicants for a job, 14 had at least 4 years of exper, 18 had degrees, and 3 had less than 4 years exper and did not have a degree, how many applicants had at least 4 years exper and a degree?

a)14

b)13

c)9

d)7

e)5

OG's the explainaton is confusing.. can someone help me with a better way of answering this kind of questions?

Answer is E. Here is how:

The quickest way is to setup a matrix and work through the given values in the question.

For all such problems, set up a matrix with number of columns and rows corresponding to the divisions mentioned in the question stem.

Degrees and Experience |

| > 4 yrs Exp | < 4 yrs Exp | Total |

Degree | 5 (Required Value) | 13 | 18 (Given) |

No Degree | 9 | 3 | 12 |

Total | 14(Given) | 16 | 30 (Given) |

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