BPSC CDPO 2022 – Main Exam GS Paper I – Section III : Statistical Analysis Solution
1.The breakup of the percentage of revenue earned by the Times Group, through advertising by ‘The Times of India’ (inner circle) and ‘Indiatimes.com’ (outer circle) in the year 2010 is as shown in the following figure. The total revenue earned through advertising by ‘The Times of India’ is Rs 300 crores and by ‘Indiatimes.com’ is Rs 200 crores. Answer the questions that follow from the following diagram:
(a) What is the total revenue earned from food advertising by the Times Group? [8 Marks]
(b) Which product apart from durables earned a revenue of more than Rs 100 crores for the Times Group? [8 Marks]
(c) Which is greater and by how much: earnings from durables by ‘Indiatimes.com’ or earnings from durables by ‘The Times of India’? [8 Marks]
(d) By 2011, the Times Group targets a revenue increase of 100% and ‘Indiatimes.com’, an increase of 10%. What will be the money earned by ‘The Times of India’ by advertising for the ‘others’ category, if the percentage breakup of categories remains same? (Assume that Times Group consists of ‘The Times of India’ and ‘Indiatimes.com’ only.) [12 Marks]
2. The line graph shows the share prices of four companies A, B, C and D in January, February, March and April of a given year. Study the graph and answer the questions that follow:
(a) Which company shows the maximum percentage change in the value of share in April over its value in January? [9 Marks]
(b) When is the average price of the four companies’ shares the lowest? [9 Marks]
(c) Which company shows the highest percentage change in the value of share over any two consecutive months? [9 Marks]
(d) A person bought 80 shares of each company in January. 100 of each in February and 50 of each in March. If he sold all his bought shares in April, what is his profit/loss? [9 Marks]
3. The following bar diagram shows the percentage growth in advances for various banks in the given years and the pie chart shows the percentage share of banks in 2009-2010. Answer the questions that follow from the following diagrams:
(a) If total advances given by all the banks in 2009-2010 is Rs 200 crores, then what will be the advances given by new private banks in 2010-2011? [8 Marks]
(b) If the advances given by foreign banks in 2010-2011 is Rs 150 crores, then what were the total advances given in 2009-2010 by the given banks? [8 Marks]
(c) What will be the percentage share of old private banks in total advances given by all the banks in 2010-2011 if the advances given by PSU banks in 2009-2010 is Rs 275 crores? [12 Marks]
(d) If the advances given by old private banks in 2010-2011 is Rs 50 crores, then what will be the advances given by new private banks in 2010-2011? [8 Marks]
4. Read the following table and pie chart representing the data about blood donors in four metropolitan cities and answer the questions:
(a) Which three cities have the ratio of negative blood group donors as 5:6:7? [8 Marks]
(b) If the population of Mumbai is triple that of Delhi, then what will be the ratio of the number of positive blood group donors in Delhi to those in Mumbai? [8 Marks]
(c) If the total number of donors is 50000, what will be the difference between the maximum and minimum number of donors among the four cities? [8 Marks]
(d) If the registered number of donors in Mumbai for B+ group is 100000, what is the number of registered donors of AB+ group in Chennai? [12 Marks]
