Question
Download Solution PDFयदि 9P5 + 5. 9P4 = 10Pr है तो r का मान क्या है?
This question was previously asked in
UP TGT Mathematics 2019 Official Paper
Answer (Detailed Solution Below)
Option 3 : 5
Free Tests
View all Free tests >
UP TGT Arts Full Test 1
125 Qs.
500 Marks
120 Mins
Detailed Solution
Download Solution PDFसंकल्पना:
क्रमसंचय:
एक समय में 'r' ली गई 'n' चीजों के क्रमसंचयों की संख्या:
गणना:
(10 – r)! = 5 × 4!
(10 – r)! = 5!
r = 5
Last updated on May 6, 2025
-> The UP TGT Exam for Advt. No. 01/2022 will be held on 21st & 22nd July 2025.
-> The UP TGT Notification (2022) was released for 3539 vacancies.
-> The UP TGT 2025 Notification is expected to be released soon. Over 38000 vacancies are expected to be announced for the recruitment of Teachers in Uttar Pradesh.
-> Prepare for the exam using UP TGT Previous Year Papers.