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Ques:- . The contribution of agriculture to National Income inIndia now is approximately:
A. 25%
B. 70%
C. 45%
D. 40%
Ques:- In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
A. 3 : 1
B. 3 : 2
C. 3 : 4
D. 4 : 5