Latest IBM Aptitude Question SOLUTION: Two solutions of 90% and 97% purity are mixed resulting in 21 litres of mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture?

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Previous Question: IBM series questions asked in 1 FEB 2013 1)1,3,4,5,13,2,3,4,2,2,1,2,3.... 2)7,19,43,91,187 3)2,3,10,15,26,35,50 4)13,14,15,16,18,19,20,22,23....... 5)2,3,6,13,28........ 6)5,10,9,3,6,5,4,8,7,7..... 7)5,17,35,65 8)1,0.5,1,0.5,2,5,0.9,0.3,1.7,10,12,0.25,12.25.... 9)1,7,9,15............ 10)9,15,26/3,29/2,25/3,14,8,26/2,23,3........... 11)18,6,24,4,30,10,12,2,6............ 12)44,4.4,0.88,0.264,0.1056............. 13)9,3,24,4,9,3,36,6,9,3,30 14)-13,-14,34,32,-42,-39,58,54......... Next Question: 8 chairs are numbered from 1 to 8. Two women first choose two chairs from those marked 1 to 4 and 3 men selects 3 chairs from the remaining. Find the number of possible arrangements

(#M40017452) IBM Numerical Ability question Keep an EYE

Two solutions of 90% and 97% purity are mixed resulting in 21 litres of mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture?: Asked In IBM Madhurina Som (11 years ago); Unsolved Read Solution (6); Is this Puzzle helpful? (30) (13) Submit Your Solution Ratio and Proportion

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Previous Question: IBM series questions asked in 1 FEB 2013 1)1,3,4,5,13,2,3,4,2,2,1,2,3.... 2)7,19,43,91,187 3)2,3,10,15,26,35,50 4)13,14,15,16,18,19,20,22,23....... 5)2,3,6,13,28........ 6)5,10,9,3,6,5,4,8,7,7..... 7)5,17,35,65 8)1,0.5,1,0.5,2,5,0.9,0.3,1.7,10,12,0.25,12.25.... 9)1,7,9,15............ 10)9,15,26/3,29/2,25/3,14,8,26/2,23,3........... 11)18,6,24,4,30,10,12,2,6............ 12)44,4.4,0.88,0.264,0.1056............. 13)9,3,24,4,9,3,36,6,9,3,30 14)-13,-14,34,32,-42,-39,58,54......... Next Question: 8 chairs are numbered from 1 to 8. Two women first choose two chairs from those marked 1 to 4 and 3 men selects 3 chairs from the remaining. Find the number of possible arrangements

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