Question: A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?

Question 1: A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?

View topic: বিবিধ সমস্যা (Miscellaneous Problem)

1ml

1.5ml

2.5ml

6ml

Source: Janata Bank Ltd - Senior Officer (IT) - 29.01.2016

Answer: 1ml

Explanation:

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