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1) Math Practice Paper Set 5
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Question By Zhi Xian and Zhi Ting:
ReplyDeleteMay and Linda took part in a bicycle race.
They both travelled at constant speeds.
May's speed was 20km/h.
When Linda reached the mid-point, May was 4km ahead f her.
May completed the race at 9.45am.
What time did Linda complete the race?
My ans:9.57am
ReplyDeleteHi Marcus,
ReplyDeleteI don't think that is the correct answer. Anyone can comment?
Found this article on the internet. I thought it is quite interesting as I remembered one of the teachers asked the class to form a sentence using 3 consecutive "because".
ReplyDeleteHappy reading!
Because, Because, Because!
Can we start a new sentence with this word?
The word because is often a source of debate and confusion. Many writers insist that “You can’t start a new sentence with because.” If you ask them “Why not?”, the same writers often reply, “Because my teachers in school told me it’s wrong!”, perhaps forgetting their own grammar rule in the heat of the argument. However, this belief – that you can’t start a new sentence with the word because – is actually a myth, much like believing you can get warts by touching a toad. Many people believe this (and teach it to others) but it’s simply not true! As a case in point, many dictionary entries start sentences with because. For example, Oxford Advanced Learners Dictionary offers the following examples “Just because I don’t complain, people think I’m satisfied” and “Because of his wife being there, I said nothing about it”.
Because actually has two grammar patterns.
On one hand, because of is a prepositional phrase. Like other prepositions (e.g. in, on, at, for, by) because of is followed by a noun, e.g. (in the traffic jam, because of the traffic jam). Thus, we can form sentences such as “Because of the rainstorm, we won’t arrive on time”. (Of course, you can just as easily write “We won’t arrive on time because of the rainstorm”.)
The look-alike cousin of because of is a coordinating conjunction because. Coordinating conjunctions (such as while or although) join a clause (e.g. a subject and a verb) to a larger sentence, e.g. “Although it was raining, we arrived on time” or “We arrived on time although it was raining”. In both cases, it’s correct either to start the sentence with a coordinating conjunction (including because) or to put the conjunction in the middle of a sentence.
So why do so many people believe that “You can’t start a sentence with because!”? Perhaps the reason lies in the fact that so many writers start a sentence with because and forget to finish the sentence! For example, to answer a test question such as “Why did the boy arrive late?” a student might write simply, “Because it was raining”. This is actually a sentence fragment, i.e. an unfinished sentence. (If you type the above sentence onto a Microsoft Word document, you’ll see that the spell checker will actually catch this error and read “fragment”). To help their students avoid sentence fragments, many teachers probably caution students to write full sentences on question-and-answer tests, e.g. “The boy arrived late because it was raining.” This might explain the popular (but mistaken) belief that it’s wrong to start new sentences with because.
So go ahead – start sentences with because – if you dare! Some grammarians and teachers may frown at this, but as long as you join the clause to another sentence, your sentence is indeed correct.
@Mr soh
ReplyDeleteInteresting!
My ans is 9.54am
ReplyDeleteone question to zhi ting and zhi xian based on the question,did they start at the same time???
ReplyDeleteif they started at the same time,my ans is 10.09am
ReplyDeleteOf course they start at the same time.It is a bicycle race.
ReplyDeleteI am more inclined to Martin's answer. Is anyone able to reason out why?
ReplyDeleteAs for Chuan Hui and Marcus's answer, if you do some reasoning, you will think that it is not possible.
Think about it! :)
Based on the question,May would be 4 km ahead of Linda whan she is at the halfway point.So when Linda finishes the race, May would be 8km ahead of her(assuming she continues cycling).from here, you just have to find how long May took from the finishing point to the point 8km away.By doing this, you can find out how long Linda take from (when May reaches the finishing point)which is 9.45am.since we know May's speed(20km/h), we can easily solve it
ReplyDelete20 divide by 60=1/3(km per min)
8 divide by 1/3=24(time taken by May from finishing point to the point 8km away)
9.45am+24 mins =10.09am
ans10.09am