The following questions are accompanied by three statements. You have to determine which statement (s) is/are/suffcient/ necessary to answer the question ? नीचे दिये गये प्रश्नों में तीन कथनों के माध्यम से कुछ जानकारियां दी गई है आपको यह निर्णय करना है कि क्या कथनों में दी गयी जानकारी उत्तर देने के लिए पर्याप्त है। X,Y and Z together will finish the work in how many days? (A) X does half as much work as Y and Y does half as much work as X and Z do together in one day. (B) Y does the whole work in 40 days (C) X and Z do the whole work in 20 days X, Y और Z मिलाकर एक काम को कितने दिनों में पूरा करेंगे ? (A) Y जितना कार्य एक दिन में करता है उसका आधा भाग X करता है। X और Z दोनों मिलकर जितना कार्य करते हैं Y उसका आधा भाग कार्य करता है। (B) Y अकेले पूरे कार्य को 40 दिनों में करता है। (C) X और Z दोनों मिलकर कार्य को 20 दिनों में पूरा करते हैं।
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