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Permutation and Combination
Three varieties of tea cost Rs. 100, Rs. 140 and Rs. 150 respectively per kg. The three are mized in the ratio 1:2:4. What would be the cost of 1 kg of the new mixture?
140
130
120
110
150
Read Solution (Total 3)
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- (1*100+14*2+150*4)/7=140
- 7 years agoHelpfull: Yes(6) No(1)
- solution :- (1*100+14*2+150*4)/7=140
- 7 years agoHelpfull: Yes(4) No(0)
- (1*100+2*140+4*150)/7=140
- 7 years agoHelpfull: Yes(4) No(1)
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