Out of the 500 GMAT aspirants who registered on the e-GMAT website a

Question

Out of the 500 GMAT aspirants who registered on the e-GMAT website a single day, 50% registered for Verbal courses and 200 registered for Quant courses. How many students registered for neither of the Verbal and Quant course?

(1) 30% of the aspirants registered only for Quant courses

(2) 10% of the aspirants registered for both Quant and Verbal courses

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nick1816 · Answer

a+b+c+d = 500.......(1)

a+b= 0.5*500 = 250........(2)

b+c= 200......(3)

We want to know d

Statement 1-

a= 0.3*500 = 150.....(4)

We have 4 equations and 4 unknowns

Sufficient

Statement 2-

b= 0.1*500= 50......(5)

Again we have 4 equations and 4 unknowns

Sufficient

yashikaaggarwal · Answer

Given : 50%=250 of 500 registered for verbal (only verbal + verbal and quant both)
200 for quant (only quant + verbal and quant both)

Statement 1: 30% registered for only quant.
Verbal + Verbal & Quant + Quant + No Verbal and quant=100%
50% + 30% + No Verbal and quant = 100%
No Verbal and quant = 20%
(Sufficient)

Statement 2: 10% registered for both verbal and quant
Verbal + Verbal & Quant + Quant + No Verbal and quant=100%
(Since Verbal + Verbal & Quant = 50% =>>>> Verbal=50%-10%=40%)
(Also 200 is 40% of 500 and sonc 10% is deducted from quant only quant will be 30%)
40%+10%+30%+No Verbal and quant=100%
No Verbal and quant=20% (sufficient)

Hence both statements are sufficient
Answer is D

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IanStewart · Answer

I don't understand the question. Are there Verbal "courses" as it says in the first sentence, or a Verbal "course" as it says in the second? Is there a distinction we need to make between the plural and the singular?

Assuming that's just bad editing, we have 250 people who take Verbal and 200 who take Quant. If we know 150 only take Quant, then 50 must take both, and 200 must take only Verbal. That accounts for 400 people, so the remaining 100 must take neither. So Statement 1 is sufficient.

If 50 take both, then 200 take only Verbal and 150 take only Quant, and we have the same situation as above, so Statement 2 is sufficient, and the answer is D.

Archit3110 · Answer

can be solved using 2x2 matrix

----V---NV---Total
Q--- ---- -----200
NQ-- ----  x  ------300
Total--250--250--500
target is value of x

#1
30% of the aspirants registered only for Quant courses
----V---NV---Total
Q--- 50---- 150 -----200
NQ-- 200 ---- 100   100  ------300
Total--250--250--500
sufficient
OPTION D

danikin · Answer

E-gmat sucks especially critical reasoning it's a scam...., they teach you ways that will take you long to solve a questions. you will run out of time during the exam if you follow their strategy

Out of the 500 GMAT aspirants who registered on the e-GMAT website a

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GMAT Data Sufficiency (DS) Questions

Out of the 500 GMAT aspirants who registered on the e-GMAT website a

Prep Toolkit

615 to 715 in 15 Days (Ria's Strategies)

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