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IBPS RRB Officer Prelims 16 Sep 2017 Paper

Directions (48 – 52) : Study the table carefully and answer the given questions.

Number of items sold and percentage of items returned by the customers over the months in two different shops

Month	Shops
	A		B
	Number of items sold	% of items returned by the customers	Number of items sold	% of items returned by the customers
August	580	15	650	8
September	600	12	540	10
October	550	4	360	5
November	720	20	416	25

Question : 50 of 80

Marks: +1, -0

Solution:

(5) Number of items notreturned to shop B ;

September

\Rightarrow \frac{540 \times 90}{100} = 486

October ⇒ 360 –18 = 342

November ⇒416 – 104 = 312

Required average

= \frac{486+342+312}{3} = \frac{1140}{3} = 380

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