IF 6 kg of sugar and 5 kg of tea together cost RS.209 and 4 kg of sugar and 3 kg of tea together cost RS. 131. then the cost of 1 kg sugar and 1 kg tea are respectovely
A
RS. 11 and RS. 25
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B
RS.12 and RS. 20
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C
RS.14 and RS.20
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D
RS. 14 and RS.25
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Solution
The correct option is B RS.12 and RS. 20 Let cost of 1 kg sugar is x and cost of 1 kg tea is y Then 6x+5y=209 ....(i) and 4x+3y=131 ....(ii) Solving equations (i) and (ii) we get x=14 and y=25