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InterviewSolution
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In a row of girls, Rita and Monika occupy the ninth place from the right end and tenth place from the left end, respectively, if they interchange their places, Rita and Monika occupy seventeenth place from the right and eighteenth place from the left, respectively. How many girls are there in the row ?1. 252. 263. 274. Data inadequate |
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Answer» Correct Answer - Option 2 : 26 If we summarize the information given in this question, Since Rita and Monika exchange places, Rita’s new position is the same as Monika’s earlier position. Rita position is 17th from the right end and 10th from the left end. Number of girls in the row = Position from the right end + position from the left end - 1 Number of girls in the row = 17 + 10 - 1 Number of girls in the row = 26 Hence, "26" is the correct answer. To find number of students sitting between them. When the condition is simple:
When the condition is overlap:
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