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Presenters at the seminar, one who is blind, will demonstrate adaptive 12 Nov 2020, 19:49
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Hello Experts,
I cannot get any appropriate help in distinction between option B and D. 'Who' is used as the subject of the clause, and 'whom' is used as the object of the clause, but this concept is not helping me differentiate between B and D.
Also 'one of them' cannot refer to seminar, as seminar cannot be blind. 'One of them' refers to presenters, which is plural and can refer to 'them' logically also. So logically and grammatically B is also the contender.
Kindly help .
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Presenters at the seminar, one who is blind, will demonstrate adaptive 13 Nov 2020, 08:32
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KumarSam
Hello Experts,
I cannot get any appropriate help in distinction between option B and D. 'Who' is used as the subject of the clause, and 'whom' is used as the object of the clause, but this concept is not helping me differentiate between B and D.
Also 'one of them' cannot refer to seminar, as seminar cannot be blind. 'One of them' refers to presenters, which is plural and can refer to 'them' logically also. So logically and grammatically B is also the contender.
Kindly help .
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Hello, KumarSam. You have to keep in mind that even if multiple options are grammatically correct, the GMAT™ prefers the clear and concise expression of meaning. Comparing (B) and (D), what does one of them who add in the way of clarity that one of whom lacks? Since whom can only refer to a person, at least in a formal context (informally, people often use who to refer to a beloved pet), we are left with a choice between two options that may convey the same meaning, but one of which does so in a better manner. Remember, SC is not all about finding the sentence that is correct. Rather, it is about determining the best of the five options presented. For reasons explained above, (D) is a better option than (B), so (B) should fall by the wayside.

I hope that helps. Please let me know if you have further questions.

- Andrew
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Presenters at the seminar, one who is blind, will demonstrate adaptive 15 Nov 2020, 14:15
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Presenters at the seminar, one who is blind, will demonstrate adaptive equipment that allows visually impaired people to use computers.

(A) one who- We are not sure, if "one" is a member of presenters or not.
(B) one of them who- One is object, so whom should be used.
(C) and one of them who- One is object, so whom should be used.
(D) one of whom- It is better. Let's keep it.
(E) one of which- Which is used for non-living.

So, I think, D. :)
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Presenters at the seminar, one who is blind, will demonstrate adaptive 31 Jan 2021, 08:49
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Presenters at the seminar, one who is blind, will demonstrate adaptive equipment that allows visually impaired people to use computers.

(A) one who
(B) one of them who
(C) and one of them who
(D) one of whom
(E) one of which


Marcab


Hii Maryam.
In B, "who" is modifying "them" but since the helping verb after "who" is "is", we need a singular noun. Hence B is incorrect. Also there is one more mistake in B. Whenever you come across such sentences such as "one of X(Always Plural) who/that" always remember that verb to be followed has to be PLURAL.
In short:
One of X(Always Plural) who/that Y(Always Plural verb)
BUT
One of X(Always Plural) (Always Singular Verb)

Another major mistake in the question. "One of whom" and other options are incorrectly modifying "Seminar". This is a weird question. If it were "At the seminar the presenters, one of whom is blind, will bla bla bla", then it would have been right.
Hope that helps.
-s


VeritasKarishma GMATNinja

Could you please explain why D is correct and B is wrong? I believe we should use "who" instead of "whom" since that pronoun is being used to modify the subject and not the object. Marcab 's explanation seems to make sense why B might be wrong but D seems to be wrong too because it uses "whom".
The question of whether to use "who" or "whom" isn't determined by what noun the pronoun refers to, but rather by the grammatical role the pronoun plays.

If the word is a subject (the "doer" of an action), we use "who." If the word is an object (the recipient of an action) we use "whom." For example, "My wife, who is extremely kind and generous, volunteers every Monday at a homeless shelter." Here, "who" is the subject of the verb "is."

But I could also write, "My wife, to whom I send flowers every day, is a wonderful person." In that last sentence, my wife is the object of the preposition, so she "receives" the action (sending flowers) -- and as a result, we'd need to use "whom" and not "who".

In (D) "whom" is the object of the preposition "of," so it's correct. In (B) "one of them who" is just plain bad. Why would we use back-to-back pronouns? Is "who" referring to "them?" To "one"? It's unnecessarily clunky and confusing.

I hope that helps!
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D) Presenters at the seminar, one of whom is blind, will demonstrate adaptive equipment that allows visually impaired people to use computers.
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GMATNinja
Thanks for the explanation.
In the highlighted part, it's ok that 'my wife' is receiving the action (sending flowers), but in choice D, WHO (Presenters ?? :? ) receives WHAT actually?
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Presenters at the seminar, one who is blind, will demonstrate adaptive 23 Jan 2022, 22:20
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Hi pi10t,

Thank you for your question. This is classic case of a "who vs. whom" sentence, so let's look at each answer and if they are conveying the proper meaning:

Presenters at the seminar, one who is blind, will demonstrate adaptive equipment that allows visually impaired people to use computers.

(A) one who
By using "who," it now refers back to the word "seminar" and not to the presenters. The seminar can't be blind, so this is INCORRECT.

(B) one of them who
Again, by using "who," it refers back to the seminar being blind. It also adds in a vague pronoun "them" with no clear antecedent. Therefore, this one is also INCORRECT.

(C) and one of them who
This is the same answer as B, but with the word "and" added in. That doesn't fix the problems with who/whom or the vague pronoun "them," so it's INCORRECT.

(D) one of whom
This is the CORRECT answer because by using "whom," it's clear the phrase is referring back to one of the presenters being blind, not one of the seminars.

(E) one of which
This is INCORRECT because in the GMAT, one should never use "which" to refer to people - only animals or objects.
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Hi EMPOWERgmatVerbal please could you explain why in (A) (B) and (C) does "who" refer to seminars and not presenters? Also, why can't we assume "one" to incorrectly modify "seminars" and thus make (D) and all the choices invalid?
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Presenters at the seminar, one who is blind, will demonstrate adaptive 19 May 2022, 23:17
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pi10t
Presenters at the seminar, one who is blind, will demonstrate adaptive equipment that allows visually impaired people to use computers.

(A) one who
(B) one of them who
(C) and one of them who
(D) one of whom
(E) one of which


Marcab


Hii Maryam.
In B, "who" is modifying "them" but since the helping verb after "who" is "is", we need a singular noun. Hence B is incorrect. Also there is one more mistake in B. Whenever you come across such sentences such as "one of X(Always Plural) who/that" always remember that verb to be followed has to be PLURAL.
In short:
One of X(Always Plural) who/that Y(Always Plural verb)
BUT
One of X(Always Plural) (Always Singular Verb)

Another major mistake in the question. "One of whom" and other options are incorrectly modifying "Seminar". This is a weird question. If it were "At the seminar the presenters, one of whom is blind, will bla bla bla", then it would have been right.
Hope that helps.
-s


VeritasKarishma GMATNinja

Could you please explain why D is correct and B is wrong? I believe we should use "who" instead of "whom" since that pronoun is being used to modify the subject and not the object. Marcab 's explanation seems to make sense why B might be wrong but D seems to be wrong too because it uses "whom".
The question of whether to use "who" or "whom" isn't determined by what noun the pronoun refers to, but rather by the grammatical role the pronoun plays.

If the word is a subject (the "doer" of an action), we use "who." If the word is an object (the recipient of an action) we use "whom." For example, "My wife, who is extremely kind and generous, volunteers every Monday at a homeless shelter." Here, "who" is the subject of the verb "is."

But I could also write, "My wife, to whom I send flowers every day, is a wonderful person." In that last sentence, my wife is the object of the preposition, so she "receives" the action (sending flowers) -- and as a result, we'd need to use "whom" and not "who".

In (D) "whom" is the object of the preposition "of," so it's correct. In (B) "one of them who" is just plain bad. Why would we use back-to-back pronouns? Is "who" referring to "them?" To "one"? It's unnecessarily clunky and confusing.

I hope that helps!
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Hi GMATNinja ,
Can you please clear my doubt.?

If the word is a subject (the "doer" of an action), we use "who." If the word is an object (the recipient of an action) we use "whom."

As per the sentence - 'the presenters' is the subject and 'will demonstrate' is the verb that is the presenters are doer of the action .
However, we are still using whom. Why :?
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Presenters at the seminar, one who is blind, will demonstrate adaptive 11 Jun 2022, 02:58
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On the first glance i was tempted to select option -B but after taking some time and making the meaning of the sentence ends correctly only option -D makes a valid reason.
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Presenters at the seminar, one who is blind, will demonstrate adaptive 18 Jun 2022, 10:00
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Ahmed9955

Hi GMATNinja ,
Can you please clear my doubt.?

If the word is a subject (the "doer" of an action), we use "who." If the word is an object (the recipient of an action) we use "whom."

As per the sentence - 'the presenters' is the subject and 'will demonstrate' is the verb that is the presenters are doer of the action .
However, we are still using whom. Why :?
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In the clause, "Who threw the ball," the subject is "who."

In the clause, "One of whom threw the ball" the subject is "one." "Whom" isn't a subject here. It's part of a modifier describing that subject and is the object of the preposition "of."

I hope that clears things up!
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Presenters at the seminar, one who is blind, will demonstrate adaptive 08 Jul 2023, 10:54
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