Wipro Company Numerical Ability Ratio and Proportion

If eight pounds of macadamia nuts, priced at $6.00 per pound, are combined with twelve pounds of brazil nuts, priced at $5.00 per pound, what is the per-pound price of the resulting mixture?
A. $5.40
B. $5.25
C. $5.50
D. $5.30
E. $5.20

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Wipro Other Question

The average of 7 members is 39 and average of 3 of them is 27. Find the average of the other four.
A. 45
B. 48
C. 49
D. 47
E. 46
Five years ago, Beth’s age was three times that of Amy. Ten years ago, Beth’s age was one half that of Chelsea. If C represents Chelsea’s current age, which of the following represents Amy’s current age?
A. C-10 /3
B. 5/3C-10
C. C/6 +5
D. C – 12/5
E. C/5 + 7