If six girls can plant 90 trees in a day, how many trees can ten girls plant in a day?
If five men can dig a hole in one hour, how long will it take two men to dig half a hole?
Topics: Starter  Arithmetic  Problem Solving  Ratio
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If a hen and a half, lays an egg and a half, in a day and a half. How many eggs will 9 hens lay in 6 days? 
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GCSE Revision and PracticeWhatever exam board you use for GCSE Mathematics, this book by David Rayner remains an allround winner. With this latest edition presented in full colour and completely updated for the new GCSE(91) specifications, this uniquely effective text continues to increase your chance of obtaining a good grade. This book is targeted at the Higher tier GCSE, and provides a wealth of practice with careful progression, alongside substantial revision support for the newstyle grading and exam questions. With all the new topics included, and a dedicated section on using and applying mathematics, this unique resource can be used either as a course book over two or three years or as a revision text in the runup to exams. more... 
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