if a+b=10, what is the value of b?

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if a+b=10, what is the value of b?

by AsadAbu » Thu Jul 28, 2022 12:44 pm

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If a+b=10, what is the value of b?
1) a=2
2) b=4a

Source: TargetTestPrep
Last edited by AsadAbu on Thu Jul 28, 2022 12:52 pm, edited 1 time in total.

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Re: if a+b=10, what is the value of b?

by AsadAbu » Thu Jul 28, 2022 12:51 pm

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I'm little scared about this types of question.
What if a=1 in statement 1? if this is the thing then statement 2 provides a=2 (when it is calculated). Are these different values of a in highlighted part violate the rules of DS? Is this type of question (if a=1) legit for GMAT?