exam Maths Puzzle Numerical Ability

the ratio of the number of coins mark has to the number of coins john has is 2:5. if john has 20 coins, how many coins does mark hasve?

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exam Other Question

9 greater than or equal to 4-x/3 less than or equal to 5 mr. white saved $30 by taking advantage of a 12% reduction on a television set. what would have been the price without the discount?