In a row of girls, A is 10th from the left and B is 14th from the right. If they interchange their positions, A becomes 24th from the left. How many girls are there in a row ?
लड़कियों की एक पंक्ति में, A बायीं ओर से 10 वें स्थान पर तथा B दायीं ओर से 14 वें स्थान पर है, यदि वे अपनी स्थितियाँ परस्पर बदल लेती हैं, तो A बायीं ओर से 24 वें स्थान पर हो जाती है, पंक्ति में लड़कियों की संख्या कितनी है ?
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Correct answer: C. 37
Explanation
After the swap A stands where B was: 24th from left and 14th from right, so total = 24 + 14 − 1 = 37.
अदला-बदली के बाद A, B के स्थान पर है: बाएँ से 24वाँ व दाएँ से 14वाँ, कुल = 24 + 14 − 1 = 37।
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