In two blends of mixed tea, the ratios of Darjeeling and Assam tea are 4: 7 and 2: 5. The ratio in which these two blends should be mixed to get the ratio of Darjeeling and Assam tea in the new mixture as 6: 13, is [SSC (CGL) 2013] |
A) 2 : 7
B) 5 : 13
C) 4 : 13
D) 22 : 35
Correct Answer: D
Solution :
Part of Darjeeling tea in 1st mixture \[=\frac{4}{11}\] |
Part of Darjeeling tea in 2nd mixture \[=\frac{2}{7}\] |
Part of Darjeeling tea in new mixture \[=\frac{6}{19}\] |
By alligation rule, |
\[\therefore \]Required Ratio \[=\frac{4}{133}:\frac{10}{209}=22:35\] |
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