Three mangoes, four guavas, and five watermelons cost Rs. 750. Ten watermelons, six mangoes and 9 guavas Cost Rs. 1580. What is the cost of six mangoes, ten watermelons and 4 guavas?
A. 1280
B. 1180
C. 1080
D. Can't determined
Answer: Option B
Solution(By Examveda Team)
According to the question, 3M + 4G + 5W = 750 ------- (1) 6M + 9G + 10W = 1580 -------- (2) 6M + 4G + 10W = x (let) ------- (3) On equation (1) × 2 - equation (2), we get G = 80 On equation (2) - Equation (3), we get 5G = 1580 - x Putting, G = 80, We get x = 1180Related Questions on Number System
Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
A. 12, 24, 36
B. 11, 22, 33
C. 12, 24, 32
D. 5, 10, 15
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