TCS Company Numerical Ability Profit and Loss

A Person buys a horse for 15 pounds, after one year he sells it for 20 pounds. After one year, again he buys the same horse at 30 pounds and sells it for 40 pounds. What is the profit for that person?
option
(a) 20 pounds
(b) 15 pounds
(c) 25 pounds
(d) 10 pounds

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TCS Other Question

The Mehta's have decided to launch their perfumes and have narrowed down to five ingredients for the perfume: Lilac, Balsamic, Lemon, Woody and Mimosaic. The customer can order for specific variety of perfume. To make a perfume that is in demand the Mehta's adhered to the following conditions: Lilac and Balsamic go together. Woody and Mimosaic go together; Woody and Balsamic never go together. Lemon can be added with any material. All of the following combinations are possible to make a perfume except___.
option
(a) Balsamic and Lilac
(b) Woody and Lemon
(c) Mimosaic and Woody
(d) Mimosaic and Lilac
Mr Behera wants to build a house for his wife. In his dream house there are 5 rooms each having equal area. The length of each room is 4 m, breadth is 5 m and the height is 2m. For every single unit of area, he requires 17 bricks, how many bricks are required to make the floor of a particular room?
option
(a) 340
(b) 420
(c) 280
(d) 400