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# Lampard appeared for an examination that had only two categories of

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Manager
Joined: 15 Dec 2015
Posts: 115
GMAT 1: 660 Q46 V35
GPA: 4
WE: Information Technology (Computer Software)
Lampard appeared for an examination that had only two categories of  [#permalink]

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Updated on: 30 Jul 2017, 20:22
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00:00

Difficulty:

45% (medium)

Question Stats:

70% (02:31) correct 30% (02:53) wrong based on 56 sessions

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Lampard appeared for an examination that had only two categories of difficulty levels, category A that had all difficult questions and category B that had all moderate difficulty level questions.60% of the total questions in the paper were multiple choice and rests were subjective whereas only 30% of all questions were subjective questions in category B.If Lampard answered to the category B questions only, what percentage of the subjective questions were not answered by Lampard?

A. 20%
B. 25%
C. 30%
D. 40%
E. 42 %

Originally posted by DHAR on 30 Jul 2017, 08:50.
Last edited by DHAR on 30 Jul 2017, 20:22, edited 2 times in total.
Math Expert
Joined: 02 Aug 2009
Posts: 7686
Re: Lampard appeared for an examination that had only two categories of  [#permalink]

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30 Jul 2017, 10:31
DH99 wrote:
Lampard appeared for an examination that had only two categories of difficulty levels, category A that had all difficult questions and category B that had all moderate difficulty level questions.60% of the total questions in the paper were multiple choice and rests were subjective whereas only 30% of all questions were subjective questions in category B.If Lampard answered to the category B questions only, what percentage of the subjective questions were not answered by Lampard?

A. 20%
B. 25%
C. 30%
D. 40%
E. 42 %

Hi...

the Q is all about understanding it well..
Two cases- difficult and moderate..
60% of T are multiple type so remaining 40% are subjective..
30% of T are subjective in B, so L missed out answering 10% of T, which were subjective and were in A..
so percentage of the subjective questions were not answered by Lampard = ( 10% of T/40% of T ) * 100 = $$\frac{1}{4}*100=25%$$
B
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Joined: 02 Sep 2009
Posts: 55271
Re: Lampard appeared for an examination that had only two categories of  [#permalink]

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30 Jul 2017, 11:15
DH99 wrote:
Lampard appeared for an examination that had only two categories of difficulty levels, category A that had all difficult questions and category B that had all moderate difficulty level questions.60% of the total questions in the paper were multiple choice and rests were subjective whereas only 30% of all questions were subjective questions in category B.If Lampard answered to the category B questions only, what percentage of the subjective questions were not answered by Lampard?

A. 20%
B. 25%
C. 30%
D. 40%
E. 42 %

Please name topics properly. Read rule 3 in our RULES OF POSTING. Thank you.
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Joined: 07 Jun 2017
Posts: 100
Re: Lampard appeared for an examination that had only two categories of  [#permalink]

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31 Jul 2017, 18:44
chetan2u wrote:
DH99 wrote:
Lampard appeared for an examination that had only two categories of difficulty levels, category A that had all difficult questions and category B that had all moderate difficulty level questions.60% of the total questions in the paper were multiple choice and rests were subjective whereas only 30% of all questions were subjective questions in category B.If Lampard answered to the category B questions only, what percentage of the subjective questions were not answered by Lampard?

A. 20%
B. 25%
C. 30%
D. 40%
E. 42 %

Hi...

the Q is all about understanding it well..
Two cases- difficult and moderate..
60% of T are multiple type so remaining 40% are subjective..
30% of T are subjective in B, so L missed out answering 10% of T, which were subjective and were in A..
so percentage of the subjective questions were not answered by Lampard = ( 10% of T/40% of T ) * 100 = $$\frac{1}{4}*100=25%$$
B

Dear,
Which part of the question mentioned L missed out answering 10% of T?
Thank you so much
Math Expert
Joined: 02 Aug 2009
Posts: 7686
Re: Lampard appeared for an examination that had only two categories of  [#permalink]

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31 Jul 2017, 18:52
pclawong wrote:
chetan2u wrote:
DH99 wrote:
Lampard appeared for an examination that had only two categories of difficulty levels, category A that had all difficult questions and category B that had all moderate difficulty level questions.60% of the total questions in the paper were multiple choice and rests were subjective whereas only 30% of all questions were subjective questions in category B.If Lampard answered to the category B questions only, what percentage of the subjective questions were not answered by Lampard?

A. 20%
B. 25%
C. 30%
D. 40%
E. 42 %

Hi...

the Q is all about understanding it well..
Two cases- difficult and moderate..
60% of T are multiple type so remaining 40% are subjective..
30% of T are subjective in B, so L missed out answering 10% of T, which were subjective and were in A..
so percentage of the subjective questions were not answered by Lampard = ( 10% of T/40% of T ) * 100 = $$\frac{1}{4}*100=25%$$
B

Dear,
Which part of the question mentioned L missed out answering 10% of T?
Thank you so much

hi..

say category A has A Q and Category B has B q..
so A+B =t, that is total..
we are looking at subjective only..
now subjective is in category A and B both..
category B has 40% of (A+B)or 40% of T..

Quote:
only 30% of all questions were subjective questions in category B

this means he answered these 30% of T..

what subjective he didnot answer 40%of T - 30% of T= 10% of T..

total subjective were 40% of T and he did not answer 10% of T ..
so 10/40=25%
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Joined: 09 Dec 2014
Posts: 37
Re: Lampard appeared for an examination that had only two categories of  [#permalink]

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31 Jul 2017, 23:01
DH99 wrote:
Lampard appeared for an examination that had only two categories of difficulty levels, category A that had all difficult questions and category B that had all moderate difficulty level questions.60% of the total questions in the paper were multiple choice and rests were subjective whereas only 30% of all questions were subjective questions in category B.If Lampard answered to the category B questions only, what percentage of the subjective questions were not answered by Lampard?

A. 20%
B. 25%
C. 30%
D. 40%
E. 42 %

Let the total number of questions in the exam be 100.
# of multiple choice questions= 60
# of subjective questions= 40 ("rests were subjective")
Out of 40 subjective questions, 30 are Subjective-B and 10 are Subjective-A. ("30% of all questions were subjective questions in category B": 30% of 100 questions)
Lampard answered all category B questions --> He answered 30 of the subjective questions and did not answer 10 of the subjective questions.
We have to find 10 is what percent of 40.
40*(x/100)=10 ==> x=25
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Thanks,
Ramya
Re: Lampard appeared for an examination that had only two categories of   [#permalink] 31 Jul 2017, 23:01
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