TCS Company Numerical Ability Percentage

The owner of a boutique decides to calculate the percentage of customers who purchase hats. If 40 percent of the store’s customers decide to purchase items, and of those customers 15 percent purchase hats, what percent of the store’s customers purchase hats?

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TCS Other Question

A cylindrical container of radius 6 cm and height 15 cm is filled with ice-cream. The whole icecream has to be distributed to 10 children in equal cones with hemispherical tops. If the height of the conical portion is four times the radius of its base, find the radius of the ice-cream cone. A machine costs m rupees per day to maintain and n paise for each unit it produces. If the
machine is operated 7 days per week and produces r units in a week, which of the following is the total cost, in Rs., of operating the machine for a week ?