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lesson 'A light-rail train passing a walking person' in section 'Travel_Word_Problems'
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lesson 'A train passing another train' in section 'Travel_Word_Problems'
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lesson 'OVERVIEW of lessons on Travel and Distance' in section 'Travel_Word_Problems'
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lesson 'HOW TO algebreze and to solve word problems on numbers?' in section 'Miscellaneous_Word_Problems'
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lesson 'Word problems on interchanging digits of numbers' in section 'Miscellaneous_Word_Problems'
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lesson 'Spending money according to dates' in section 'Miscellaneous_Word_Problems'
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lesson 'Counting elements in sub-sets of a given finite set' in section 'Miscellaneous_Word_Problems'
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lesson 'Restore the omitted digit in a number in a way that the number is divisible by 9' in section 'Divisibility_and_Prime_Numbers'
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lesson 'Restore the omitted digit in a number in a way the number is divisible by 11' in section 'Divisibility_and_Prime_Numbers'
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solver 'Square Root calculator' in section 'Square-cubic-other-roots'
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lesson 'OVERVIEW of lessons on rate-of-work problems' in section 'Rate-of-work-word-problems'
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lesson 'OVERVIEW of lessons on Miscellaneous word problems' in section 'Miscellaneous_Word_Problems'
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lesson 'How many subsets are there in a given finite set of n elements?' in section 'Miscellaneous_Word_Problems'
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lesson 'In how many ways the number 27720 can be split into the product of two co-prime factors?' in section 'Miscellaneous_Word_Problems'
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lesson 'Make any sequence valid' in section 'Sequences-and-series'
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lesson 'Solving typical word problems on mixtures for solutions' in section 'Mixture_Word_Problems'
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lesson 'Word problems on mixtures for dry substances like coffee beans, nuts' in section 'Mixture_Word_Problems'
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lesson 'Word problems on mixtures for dry substances like candies, dried fruits' in section 'Mixture_Word_Problems'
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