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Question

# Q. A huge urn with a capacity of 100 litres, contains 35 litres of black tea (without milk). If a person filled the remainder of the urn with tea containing 40% milk (b/v), what would be the overall milk content (b/v) in the urn now? Q. 100 लीटर की क्षमता वाली एक विशाल केतली में 35 लीटर काली चाय (बिना दूध के) है। यदि एक व्यक्ति ने केतली के शेष भाग को 40% दूध (b/v) वाली चाय से भर दिया, तो केतली में दूध की कुल मात्रा (b/v) क्या होगी?

A
26%
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B
39%
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C
35%
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D
40%
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Solution

## The correct option is A 26%The capacity of the urn =100 Litre Remaining capacity after filling it with black tea =100−35=65 Litre So, the quantity of milk tea in the urn =65 Litre % of milk in tea =40% Quantity of milk =40100×65=26Litre → 26% केतली की क्षमता =100 लीटर काली चाय भरने के बाद शेष क्षमता =100−35=65 लीटर अत: केतली में दूध वाली चाय की मात्रा =65 लीटर चाय में दूध का % =40% दूध की मात्रा =40100×65=26 लीटर → 26%

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