In a row of boys, Deepak is 7th from the left and Madhu is 12th from the right. If they interchange their positions, Deepak becomes 22nd from the left. What is the total number of boys in the row?Options3433NONECannot be determined31
Question
In a row of boys, Deepak is 7th from the left and Madhu is 12th from the right. If they interchange their positions, Deepak becomes 22nd from the left. What is the total number of boys in the row?Options3433NONECannot be determined31
Solution
To solve this problem, we need to follow these steps:
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Initially, Deepak is 7th from the left. After interchanging positions with Madhu, he becomes 22nd from the left. This means there are 22 - 7 = 15 boys between Deepak and Madhu.
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Now, we know that Madhu is 12th from the right. Since Deepak and Madhu have switched places, Madhu is now in the position that was originally 7th from the left.
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To find the total number of boys, we add the position of Madhu from the right (12), the number of boys between Deepak and Madhu (15), and the position of Madhu from the left (7).
So, 12 (Madhu's position from the right) + 15 (boys between) + 7 (Madhu's position from the left) = 34.
Therefore, the total number of boys in the row is 34.
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