Wipro Company Numerical Ability Ratio and Proportion

The total cost of pats bought are partly fixed and partly varying with the. num be r of pots bought. Average cost of a pot is Rs. 25 when 60 pots are bought and Rs. 20 when 80 pots are bought. Find the average cost when 75 pots are bought.

a. 21
b. 22
c. 22.50
d. 24

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Wipro Other Question
A liquid comprises kerosene, benzene, and petrol in the ratio 1 : 3 : 4 in one container A and 2: 1 : 6 in another container B. if a solution is desired that will contain of 16 2/3 % kerosene. In what proportion must the contents be taken from A and B?

a. 8 : 7
b. 4 : 3
c. 12 : 11
d. Indeterminate A person buys some apples and mangoes from the market at a rate such that a mango is two times costlier than an apple and he sells them such that a mango is thrice the price of an apple. By selling the apple at twice its cost price, he makes the total of 150% profit. Find the proportion of mangoes to the apples.

a. 3 : 5
b. 3 : 4
c. 1 : 2
d. Indeterminate