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1.The number of students appearing for the Aptitude Test from Town D is approximate what percentage of the number of students appearing for the Aptitude Test from Town C? A) 243 B) 413 C) 134 D) 341 E) 143 View Answer Report DiscussAnswer: Option AExplanation:Required percentage = $\left(\frac{42.5\times1000}{17.5\times 1000}\right)\times100$% = $\left(\frac{425\times4}{7}\right)$ = $\frac{1700}{7}$% = 242.85% = 243%
2.What is the ratio of the number of students appearing for the Aptitude Test from Towns C and D together to the number of students appearing for the Aptitude Test from Towns A, D, and E together? A) 11:13 B) 20:43 C) 20:47 D) 37:20 E) None of these View Answer Report DiscussAnswer: Option EExplanation:(Students from Towns C and D) : (Students from Towns A, D and E) = $\left(\frac{(17.5+42.5)\times1000}{ (40 + 42.5 + 35)\times 1000}\right)$ = $\frac{600}{1175}$ = $\frac{24}{47}$
3.The number of students appearing for the Aptitude Test from Town E is approximately what percent of the total number of students appearing for the Aptitude Test from all the towns together? A) 15 B) 17 C) 19 D) 21 E) 23 View Answer Report DiscussAnswer: Option DExplanation:Required % = $\left(\frac{35\times1000}{167.5\times1000}\times100\right)$% = $\frac{1400}{67}$% = 20.89% = 21% (nearly)
4.What is the average number of students appearing for the Aptitude Test from all the towns together? A) 33500 B) 3350 C) 17500 D) 33.5 E) None of these View Answer Report DiscussAnswer: Option AExplanation:Average number of students appearing in Aptitude Test from all towns = $\frac{\left(40 + 32.5 + 17.5 + 42.5 + 35\right)\times1000}{5}$ = $\frac{167.5\times1000}{5}$ = 33500
5.What is the ratio of the number of students appearing for the Aptitude Test from Town B to that from Town A? A) 3:4 B) 13:16 C) 11:16 D) 2:3 E) None of these View Answer Report DiscussAnswer: Option BExplanation:Ratio of number of students from Town B to that from Town A = $\frac{32.5\times1000}{40\times1000} = \frac{13}{16}$ = 13:16
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