## Thursday, 16 March 2017

1 . Directions (Q. 1 - 5) : Total population of six countries (A, B, C, D, E and F) together is 90 crore. The following pie-chart shows the percentage distribution of population among these countries and the table shows the percentage of population who are below poverty line.  $Q.$ What is the population of Country A above poverty line?

 A.   4.848 crore B.   5.994 crore C.   6.124 crore D.   6.862 crore
2 . What is the difference between the population of Country D, below poverty line and that above poverty line?

 A.   8.15 crore B.   7.45 crore C.   6.25 crore D.   4.95 crore
3 . What is the total population of all six countries together below poverty line. (Answer in crore)

 A.   48.712 B.   50.64 C.   52.312 D.   54.162
4 . What is the ratio of the population of Country C above poverty line to the population of Country D below poverty line?

 A.   4:5 B.   3:4 C.   2:3 D.   1:2
5 . The population of Country B above poverty line is approximately what percentage of the population of Country E below poverty line?

 A.   28% B.   32% C.   36% D.   40%
6 . Directions (Q. 6 - 10): There are 9 lakh newspaper readers from six cities together. The following pie-chart shows the distribution of these readers among these cities and the table shows the ratio of male readers to female readers and the ratio of Hindi readers to English readers.  $Q.$ What is the average number of female readers from all six cities together?

 A.   51000 B.   53000 C.   55000 D.   57000

1 .
 Answer : Option B Explanation : The population of Company A above  Povertv  line = 90 x $18.5\over 100$x $36\over 100$ = 5.994 crore
2 .
 Answer : Option D Explanation : Difference = 90 x $12.5\over 100$ x $(72 - 28)\over 100$ = $90 \times 12.5 \times 44\over 10000$ = 4.95 crore
3 .
 Answer : Option D Explanation : $90\over 100 \times 100$ { 18.5 × 64 + 8 × 70 + 15 × 60 + 12.5 × 72 + 17 × 50 + 29 × 56} = $90\over 10000$ x {1184 + 560 + 900 + 900 + 850 + 1624} = $9 x 6018 \over 1000$ = 54.162 crore
4 .
 Answer : Option C Explanation : Population of Company C above poverty line = 90 x $15\over 100$ x $40\over 100$ Population of Company D below poverty line = 90 x $12.5\over 100$ x $72\over 100$Ratio = $15 \times 40\over 12.5 \times 72$ = $600\over 900$ = $2\over 3$ = 2 : 3
5 .
 Answer : Option A Explanation : Population of Company B above poverty line = 90 x $8\over 100$ x $30\over 100$ = 2.16 crorePopulation of Company E below poverty line = 90 x $17\over 100$ x $50\over 100$ = 7.65 croreReqd % = $2.16 \over 7.65$ x 100 = 28.23 $\cong$ 28 %
6 .
 Answer : Option D Explanation : Total no.of females$\Rightarrow$= 900000 x {$15\over 100$ x $4\over 15$ + $21\over 100$ x $3\over 7$ + $12\over 100$ x $5\over 12$ + $18\over 100$ x $7\over 18$ + $10\over 100$ x $3\over 10$ + $24\over 100$ x $5\over 12$}= 9000 × {4 + 9 + 5 + 7 + 3 + 10}= 9000 × 38= 342000Average = $342000\over 6$ = 57000