Name of the Module PIE CHARTS & LINE GRAPHS - Sreenivasa ...

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REASONING COURSEPie Charts & Line Graphs4. What is the ratio between the number of students studying at post-graduate level frominstitutes S and the number of students studying at graduate level from institute Q?A. 13:19 B. 21:13C. 13:8 D. 19:13Answer: (D)Required ratio = (21% of 24700) = (21 x 24700) = 19 .(13% of 27300) 13 x 27300 135. Total number of students studying at post-graduate level from institutes N and P isA. 5601 B. 5944C. 6669 D. 8372Answer: (C)Required number = (15% of 24700) + (12% of 24700)= 3705 + 2964= 6669.Example 6-8:The following pie charts exhibit the distribution of the overseas tourist traffic from India. Thetwo charts show the tourist distribution by country and the age profiles of the touristsrespectively. [NABARD, 2001]Distribution of Overseas Tourist Traffic from India.6. What percentage of Indian tourist went to either USA or UK?A.40 % B.50 %C.60 % D.70 %Answer: (B)SITAMS Page 4
REASONING COURSEPie Charts & Line Graphs(40+10) = 50% (from first chart)7. The ratio of the number of Indian tourists that went to USA to the number of Indiantourists who were below 30 years of age is ?A.2:1B.8:3C.3:8D. cannot be determinedAnswer: (B)40:15 = 8:38. If amongst other countries, Switzerland accounted for 25% of the Indian tourist traffic, andit is known from official Swiss records that a total of 25 lakh Indian tourists had gone toSwitzerland during the year, then find the number of 30-39 year old Indian tourists who wentabroad in that year ?A. Rs.18.75 lakh B. Rs. 25 lakhC. Rs. 50 lakh D. Rs. 75 lakhAnswer: (D)Tourist traffic from other countries to Swiz is 20%.Amongst this 20%, 25% of traffic from India.So, 25% of 20% = 5% corresponds to the Indian traffic in Switzerland.5 % corresponds to Switzerland's 25 lakh. Hence 15% will be 75 lakh.LINE GRAPHS:Example 9-13Two different finance companies declare fixed annual rate of interest on the amounts investedwith them by investors. The rate of interest offered by these companies may differ from yearto year depending on the variation in the economy of the country and the banks rate ofinterest. The annual rate of interest offered by the two Companies P and Q over the years isshown by the line graph provided below. [Bank P.O. 2003]Annual Rate of Interest Offered by Two Finance Companies Over the Years.9. A sum of Rs. 4.75 lakhs was invested in Company Q in 1999 for one year. How muchmore interest would have been earned if the sum was invested in Company P?A.Rs 19,000 B.Rs.14, 250C.Rs.11, 750 D.Rs. 9,500Answer: (D)DIFFERENCE = Rs. [(10% of 4.75) - (8% of 4.75)]= Rs. (2% of 4.75) lakhs= Rs. 0.095 lakhs= Rs. 9500.10. If two different amounts in the ratio 8:9 are invested in Companies P and Q respectivelyin 2002, then the amounts received after one year as interests from Companies P and Q arerespectively in the ratio?SITAMS Page 5
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