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Subject Verb Agreement Question (A group)

Hi Experts, I have some confusion over the usage of "A group of students" as a singular or Plural. I was going through the Aristotle SC grail (3rd ed). In one of the questions, it has been mentioned that "A group of students" is to be taken as a "Singular" and in the ve...

by udyan123

Sun Jan 10, 2016 7:26 pm
Forum: Sentence Correction
Topic: Subject Verb Agreement Question (A group)
Replies: 1
Views: 1624

Blue light flash once in 60/4 = 15 sec
Orange light flash once in 60/5 = 12 sec

Blue and orange light will flash together = LCM of 15 and 12 = 60 sec -> 1 min (after every)

So, after an hour blue and orange light will flash together = 60 times..

by udyan123

Thu Dec 12, 2013 12:13 pm
Forum: Problem Solving
Topic: Number System - many times do they flash together per hour
Replies: 3
Views: 3850