Lesson: Data Sufficiency Challenging - 07t02

Time Is Of The Essence, continued

[Page 7 of 24]

What is the value of x + y?

1) mx + ny + xn + ym = 10

2) m + n = 6

Can we establish definitive sufficiency or insufficiency for Statement 1 using the statement alone, or do we need to calculate? Select an answer and then click Continue.

1) mx + ny + xn + ym = 10

  Statement 1 is sufficient. Statement 1 is insufficient. Calculation is necessary.

Can we establish definitive sufficiency or insufficiency for Statement 2 using the statement alone, or do we need to calculate? Select an answer and then click Continue.

2) m + n = 6

  Statement 2 is sufficient. Statement 2 is insufficient. Calculation is necessary.

Countinue

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