Question
Download Solution PDFIf '+' means '÷', '-' means '×', '×' means '+', and '÷' means '-', what will come in place of the question mark (?) in the following equation?
45 + 9 – 4 × 15 ÷ 2 = ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFrom the given information:
| Symbol | Meaning |
| + | ÷ |
| – | × |
| × | + |
| ÷ | – |
Now we substitute the values in the given equation and solve it using the BODMAS rule:
Given:
45 + 9 – 4 × 15 ÷ 2 = ?
After interchanging symbols:
45 ÷ 9 × 4 + 15 - 2 = ?
5 × 4 + 15 - 2 = ?
20 + 15 - 2 = ?
35 - 2 = ?
33 = Answer
Hence the correct answer is option 2)
Last updated on Jul 18, 2025
-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025.
-> The RRB Group D Exam Date will be announced on the official website. It is expected that the Group D Exam will be conducted in August-September 2025.
-> The RRB Group D Admit Card 2025 will be released 4 days before the exam date.
-> The RRB Group D Recruitment 2025 Notification was released for 32438 vacancies of various level 1 posts like Assistant Pointsman, Track Maintainer (Grade-IV), Assistant, S&T, etc.
-> The minimum educational qualification for RRB Group D Recruitment (Level-1 posts) has been updated to have at least a 10th pass, ITI, or an equivalent qualification, or a NAC granted by the NCVT.
-> Check the latest RRB Group D Syllabus 2025, along with Exam Pattern.
-> The selection of the candidates is based on the CBT, Physical Test, and Document Verification.
-> Prepare for the exam with RRB Group D Previous Year Papers.