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 ?

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Job Solution IFIC Bank Ltd IFIC Bank Ltd - Probationary Officer - 2008 গণিত

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The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1, what is the age of the new student ?

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Job Solution IFIC Bank Ltd IFIC Bank Ltd - Probationary Officer - 06.03.2009 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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Job Solution IFIC Bank Ltd IFIC Bank Ltd - Probationary Officer - 06.03.2009 গণিত

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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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Job Solution IFIC Bank Ltd IFIC Bank Ltd - Probationary Officer - 06.03.2009 গণিত

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If p = $\frac{3}{5}, q = \frac{7}{9} a n d r = \frac{5}{7}, t h e n$

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Job Solution IFIC Bank Ltd IFIC Bank Ltd - Probationary Officer - 06.03.2009 গণিত

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If x = $y^{a}, y = z^{b} a n d z = x^{c} t h e n t h e v a l u e o f a b c i s__$

Created: 4 months ago | Updated: 2 months ago

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Job Solution IFIC Bank Ltd IFIC Bank Ltd - Probationary Officer - 06.03.2009 গণিত

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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 ?

Related Questions

The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1, what is the age of the new student ?

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% ?

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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