Question
Download Solution PDFRefer to the given series and answer the question that follows (all numbers are single-digit numbers only, and all counting is to be done from left to right).
(Left) 5 6 5 8 6 4 9 5 2 2 4 4 9 3 0 7 5 7 2 9 9 8 8 1 9 1 3 7 2 5 (Right)
How many such odd digits are there, each of which is immediately preceded by an even digit and also immediately followed by an even digit?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven series:
(Left) 5 6 5 8 6 4 9 5 2 2 4 4 9 3 0 7 5 7 2 9 9 8 8 1 9 1 3 7 2 5 (Right)
According to the question such odd digit which are immediately preceded by an even digit and also immediately followed by an even digit:
Required condition: Even - odd - Even
(Left) 5 6 5 8 6 4 9 5 2 2 4 4 9 3 0 7 5 7 2 9 9 8 8 1 9 1 3 7 2 5 (Right)
Thus, there are one such odd digit which are immediately preceded by an even digit and also immediately followed by an even digit.
Hence, "Option 1" is the correct answer.
Last updated on Jul 16, 2025
-> The Railway RRB Technician Notification 2025 have been released under the CEN Notification - 02/2025.
-> As per the Notice, around 6238 Vacancies is announced for the Technician 2025 Recruitment.
-> A total number of 45449 Applications have been received against CEN 02/2024 Tech Gr.I & Tech Gr. III for the Ranchi Region.
-> The Online Application form for RRB Technician is open from 28th June 2025 to 28th July 2025.
-> The Pay scale for Railway RRB Technician posts ranges from Rs. 19900 - 29200.
-> Prepare for the exam with RRB Technician Previous Year Papers.
-> Candidates can go through RRB Technician Syllabus and practice for RRB Technician Mock Test.