A jar contains 10 red marbles and 30 green marbles . How many red marbles must be added to the jar so that 60% of the marbles will be red ?
Created: 8 months ago | Updated: 2 months ago
Job Solution IFIC Bank Ltd IFIC Bank Ltd - Probationary Officer - 2008 গণিত
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A mixture of 20 kg of spirit and water contains 10% water. How much water must be added to this mixture to raise the percentage of water to 25% ?

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A number consists of two digits. The sum of the digits is 9. If 63 is subtracted from the number its digits are interchanged. Find the number .

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If p =35, q=79 and r =57 , then

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If x =ya, y=zb and z=xc then the value of abc is __

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