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 Post subject: MathsPosted: Sat Feb 13, 2010 11:05 am

Joined: Sat Jun 21, 2008 11:56 am
Posts: 22
Hi

Pls help to solve this.

To obtain the colour green that Jack wants to paint his room he mixes 11 liters of yellow with 1 liter blue.
Jack will need 5 liters of green.

How much blue paint will Jack need?

(a) 1 1/4 liters (1.25liters)
(b) 1 1/2 liters (1.5 liters)
(c) 1 3/4 liters (1.75 liters)
(d) 2 1/4 liters (2.25 liters)

Thanks

Uma

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 Post subject: Posted: Sat Feb 13, 2010 12:15 pm

Joined: Thu Jan 03, 2008 8:26 am
Posts: 1322
Location: Watford, Herts
The recipe makes 12 litres of green paint, so to make 5 litres, he needs 5*11/12 = 4 7/12 litres of yellow and 5/12 litres of blue. However this is not one of the alternatives offered.

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 Post subject: Posted: Sat Feb 13, 2010 12:35 pm

Joined: Tue Oct 27, 2009 8:19 pm
Posts: 6204
Not sure that the answer is one offered.

Receipe makes 12 litres of paint. Jack needs 5 litres which is slightly under half of the receipe. Therefore, he will need slightly under 1/2 litre of blue - there is no answer that small!

Or am I being totally stupid. We were always taught to roughly estimate the answer before working out so we knew if we were completely off track or not.

_________________
Knowledge is knowing that a tomato is a fruit, wisdom is not putting it in a fruit salad !

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 Post subject: Posted: Sat Feb 13, 2010 7:31 pm

Joined: Sat Mar 28, 2009 7:56 pm
Posts: 360
Perhaps it should be 15 litres of green that he needs. That would work then at 1.25l of blue

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 Post subject: Posted: Sun Feb 14, 2010 6:51 am

Joined: Sat Jun 21, 2008 11:56 am
Posts: 22
May be typing error on the book

but the answer 1.25 is correct.

Thanks

Uma

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The content structure of the passage is a forum post where a user named Uma asks a math question about mixing paint to obtain a specific color, and other users provide responses, including an analysis of the problem and a suggestion that there might be a typo in the original question.
single_question_with_answer
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
It is currently Wed Oct 26, 2016 2:24 am

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 Page 1 of 1 [ 5 posts ]
 Print view Previous topic | Next topic
Author Message
 Post subject: MathsPosted: Sat Feb 13, 2010 11:05 am

Joined: Sat Jun 21, 2008 11:56 am
Posts: 22
Hi

Pls help to solve this.

To obtain the colour green that Jack wants to paint his room he mixes 11 liters of yellow with 1 liter blue.
Jack will need 5 liters of green.

How much blue paint will Jack need?

(a) 1 1/4 liters (1.25liters)
(b) 1 1/2 liters (1.5 liters)
(c) 1 3/4 liters (1.75 liters)
(d) 2 1/4 liters (2.25 liters)

Thanks

Uma

Top

 Post subject: Posted: Sat Feb 13, 2010 12:15 pm

Joined: Thu Jan 03, 2008 8:26 am
Posts: 1322
Location: Watford, Herts
The recipe makes 12 litres of green paint, so to make 5 litres, he needs 5*11/12 = 4 7/12 litres of yellow and 5/12 litres of blue. However this is not one of the alternatives offered.

Top

 Post subject: Posted: Sat Feb 13, 2010 12:35 pm

Joined: Tue Oct 27, 2009 8:19 pm
Posts: 6204
Not sure that the answer is one offered.

Receipe makes 12 litres of paint. Jack needs 5 litres which is slightly under half of the receipe. Therefore, he will need slightly under 1/2 litre of blue - there is no answer that small!

Or am I being totally stupid. We were always taught to roughly estimate the answer before working out so we knew if we were completely off track or not.

_________________
Knowledge is knowing that a tomato is a fruit, wisdom is not putting it in a fruit salad !

Top

 Post subject: Posted: Sat Feb 13, 2010 7:31 pm

Joined: Sat Mar 28, 2009 7:56 pm
Posts: 360
Perhaps it should be 15 litres of green that he needs. That would work then at 1.25l of blue

Top

 Post subject: Posted: Sun Feb 14, 2010 6:51 am

Joined: Sat Jun 21, 2008 11:56 am
Posts: 22
May be typing error on the book

but the answer 1.25 is correct.

Thanks

Uma

Top

 Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending
 Page 1 of 1 [ 5 posts ]

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#### Who is online

Users browsing this forum: No registered users and 3 guests

 You cannot post new topics in this forumYou cannot reply to topics in this forumYou cannot edit your posts in this forumYou cannot delete your posts in this forumYou cannot post attachments in this forum

Search for:
 Jump to:  Select a forum ------------------ FORUM RULES    Forum Rules and FAQs 11 PLUS SUBJECTS    VERBAL REASONING    MATHS    ENGLISH    NON-VERBAL REASONING    CEM 11 Plus GENERAL    GENERAL 11 PLUS TOPICS    11 PLUS APPEALS    11 PLUS TUTORS    INDEPENDENT SCHOOLS    11 PLUS CDs/SOFTWARE    11 PLUS TIPS    PRIMARY    SEN and the 11 PLUS    EVERYTHING ELSE .... 11 PLUS REGIONS    Berkshire    Bexley and Bromley    Birmingham, Walsall, Wolverhampton and Wrekin    Buckinghamshire    Devon    Dorset    Essex    Essex - Redbridge    Gloucestershire    Hertfordshire (South West)    Hertfordshire (Other and North London)    Kent    Lancashire & Cumbria    Lincolnshire    Medway    Northern Ireland    Surrey (Sutton, Kingston and Wandsworth)    Trafford    Warwickshire    Wiltshire    Wirral    Yorkshire BEYOND 11 PLUS    Beyond 11 Plus - General    GCSEs    6th Form    University
user
The content structure of the passage is a forum post where a user named Uma asks a math question about mixing paint to obtain a specific color, and other users provide responses, including an analysis of the problem and a suggestion that there might be a typo in the original question.

TYPE: SINGLE_QUESTION_WITH_ANSWER