Brain Teasers & Puzzles
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John had a bag containing colourful marbles. The colours are red, green and blue. The total number of marbles he had in his bag was 60. There are 4 times as many red marbles as green marbles. 6 more blue marbles than green marbles. How many marbles of each colour did John have?
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Find the value of \”a\” by solving the maths equation in the picture below:
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