49 Kg of blended tea contain Assam and Darjeeling tea in the ratio 5 : 2. Then the quantity of Darjeeling tea is to be added to the mixture to make the ratio of Assam to Darjeeling tea 2 : 1 is
Show answer & explanation
Correct answer: B
Explanation
The correct option is 2.
given 49 kg of tea
Assam tea : Darjeeling tea = 5 : 2
quantity of Assam tea = 
× 49 = 35kg
quantity of Darjeeling tea = 
× 49 = 14kg
In order to make the ratio of Assam tea : Darjeeling tea = 2 : 1
present quantity of Assam tea = 35kg
divide it by 2 we get 17.5 { The required quantity}
quantity of Darjeeling tea at present = 14kg
required quantity is 17.5 kg
amount to be added = 17.5 - 14 = 3.5 kg