gmt1
Despite the curator’s claim, none of the unattributed sketches in the museum’s upcoming Flemish exhibit, all estimated
to be more than 400-years old, are likely the work of Jan Vermeer, who was active in Flanders during the 17th Century.
Good one !!SANAM Word + Singular Noun = Singular Verb
SANAM Word + Plural Noun = Plural Verb
Cut the flab -
Despite the curator’s claim,
none of the unattributed sketchesin the museum’s upcoming Flemish exhibit,all estimated to be more than 400-years old,
are likely the work of Jan Vermeer,who was active in Flanders during the 17th Century.The structure here is : None + ...... of the unattributed
sketches....
None + Plural hence it will take a Plural verb , areFurther the correct idiomatic usage of estimate is : Estimated to be
Now our task is reduced to -1. Sentence containing are
2. Use of Correct Idiomatic use of Estimate(A)
to be more than 400-years old,
are(B) to be over 400-years old,
is - Incorrect(C)
at over 400-years old, are
- Incorrect(D)
at more than 400-years old, is
- Incorrect(E) to be older than 400-years,
is - IncorrectHence the answer is straight (A)..PS : SANAM pronouns the noun object of the OF phrase can help you determine the number of the subject. - MGMAT SC 13th Edition.