Test Index

IBPS RRBs Officer Scale I and II 13 Sep 2015 Paper

Directions (51 – 55) :

Refer to the pie charts and answer the given questions

Distribution of total numberof Dell Brand laptops sold by5 stores in the year 2011

Total Number of Dell Laptops Sold : 2400

Distribution of number oflaptops (both Dell and Lenovo) sold by 5 stores in 2011

Total Number of Both Laptops Sold : 4500

Question : 54 of 200

Marks: +1, -0

Solution:

(2) Total number of laptops (Dell + Lenovo) sold by the store Q =

\frac{4500 \times 23}{100}

= 1035

Number of Lenovo brand laptops sold :

Store R

⇒

\frac{4500 \times 35}{100}

–

\frac{2400 \times 30}{100}

= 1575 – 720 = 855

Store S

⇒

\frac{4500 \times 11}{100}

–

\frac{2400 \times 9}{100}

= 495 – 216 = 279

⇒ Required difference

= 855 + 279 – 1035 = 99

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