Question
Download Solution PDFयदि किसी समारोह में 76 व्यक्ति हैं और यदि वे एक-दूसरे से हाथ मिलाते हैं, तो कितने हैंडशेक संभव हैं?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFअवधारणा:
n चीजों में से r चीजों को चुनने के तरीकों की संख्या nCr द्वारा दी गई है
गणना:
हमें हैंडशेक के लिए 76 में से 2 व्यक्तियों का चयन करना है।
= 38 × 75
= 2850
इसलिए, विकल्प (3) सही है।
Last updated on Jul 8, 2025
->UPSC NDA Application Correction Window is open from 7th July to 9th July 2025.
->UPSC had extended the UPSC NDA 2 Registration Date till 20th June 2025.
-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.
->The NDA exam date 2025 has been announced. The written examination will be held on 14th September 2025.
-> The selection process for the NDA exam includes a Written Exam and SSB Interview.
-> Candidates who get successful selection under UPSC NDA will get a salary range between Rs. 15,600 to Rs. 39,100.
-> Candidates must go through the NDA previous year question paper. Attempting the NDA mock test is also essential.