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IBPS PO Exam 2014 Solved Paper

DIRECTIONS (Qs. 45 to 48):
Study the following information carefully and answer the questions that follow:
Mr Ghosh recently redecorated his house by coordinating orange and three other colours for the walls, carpets and curtains of four different rooms. From the information below, determine the colours of the carpet, walls and curtains for each of the room and answer the following questions:
(a) Yellow was the only colour used in all the four rooms. It was used at least once for walls, carpets and curtains.
(b) Three different colours were used in each room but only the dining room and the bedroom were decorated in the same three colours.
(c) The same colour was chosen for the curtains in the bedroom, the carpet in the living room and the walls in the dining room. That colour was not used at all in the study room.
(d) The only room with both green and grey in its colour scheme had carpet of the same colour as in the dining room.
(e) Grey was the only colour used exactly twice—both times for curtains
(f) The study room walls were painted the same colour as the living room walls.

Question : 45

Total: 200

Which of the following rooms had orange curtains and green walls?

Dining room
Living room
Bedroom
Study
None of these

Validate

Solution:

45-48 :
From Statement A :-Yellow was the only colour used in all the four rooms. It was used at least once for walls, carpets and curtains From statement B, Dining and bed room have same set of colours.

	Walls	Carpet	Curtain


Living Room
Study Room

From statement C, The same colour was chosen for the curtains in the bedroom, the carpet in the living room and the walls in the dining room. And that colour is not used in Study Room, hence that colour must not be yellow as it is used in all the four rooms. And must not be grey as it is used only twice and that too for curtains (From statement E)

	Walls	Carpet	Curtain
	////
			////
Living Room		////
Study Room

From statement D:- The only room with both green and grey in its colour scheme had carpet of the same colour as in the dining room. If a room that has green and grey colour then its 3rdcolour must be Yellow as it is used in all the rooms. That room must not be Dining and Bed room as they have same set of colours. The Carpet of this room must not be of grey colour (From statement E).
From statement F:-The study room walls were painted the same colour as the living room walls.

	Walls	Carpet	Curtain
Dining Room	////
Bed Room			////
Living Room	xxxx	////
Study Room	xxxx

Now from D, E and F, we have two cases
Case (i)

Walls	Carpet	Curtain
Green /Yellow	Yellow/Green	Grey

This combination must belongs to either Living or Study rooms.
If it belongs to living rooms then

	Walls	Carpet	Curtain
Living Room	Green	Yellow	Grey

But this combination is ruled out as from condition C the common colourcan not be Yellow

	Walls	Carpet	Curtain
Living Room	Yellow	Green	Grey

But in this case from statement D Dining room will have Walls and carpet with green colour, but it is not possible as repetition of colour is not allowed.
Case (ii)
So only possibility is that yellow grey green belongs to study room. And then the common colour mentioned in statement C is Orange colour, hence we have two possibilities-

	Walls	Carpet	Curtain	Explanation
DiningRoom	Orange	Yellow	Grey	From statement D, Curtains colour is grey
			Orange
Study Room	Green	Yellow	Grey

This case is ruled out as Dining and bed room has same combination hence Grey can not be used other than Curtain.
OR

	Walls	Carpet	Curtain	Explanation
DiningRoom	Orange	Green	Yellow	Carpets Green colour is from Statement D, & Yellow must be present (Step 1)
Bed Room	Green	Yellow	Orange	In carpet Yellow must be used
Living Room	Yellow	Orange	Grey	(As Grey is used at least twice step 2)
Study Room	Yellow	Green	Grey

Using above matrix, we can say Bed room

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