Question
Download Solution PDFReplace the? by the correct mathematical symbol to make the expression true:
8 ? 5 ? 4 ? 9 = 45
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven expression: 8 ? 5 ? 4 ? 9 = 45
Option 1: +, -, ×
8 + 5 - 4 × 9
= 13 - 36
= -23 ≠ 45
Option 2: ×, -, +
8 × 5 - 4 + 9
= 40 - 4 + 9
= 36 + 9
= 45 (Correct)
Option 3: ×, +, -
8 × 5 + 4 - 9
= 40 + 4 - 9
= 44 - 9
= 35 ≠ 45
Option 4: -, +, ×
8 - 5 + 4 × 9
= 3 + 36
= 39 ≠ 45
Hence, the correct is answer is "Option 2".
Last updated on Apr 10, 2025
-> The Kerala PSC Civil Excise Officer Notification 2025 has bee released (Advt No. 743/2024).
-> Interested candidates can apply online from 31st December 2024 to 29th January 2025.
-> The selection process for the Kerala PSC Civil Excise Officer Recruitment will include an endurance test, followed by physical efficiency test (PET), medical exam, and written test (if applicable).
-> Selected candidates will receive Kerala PSC Civil Excise Officer salary in pay-scale of Rs. 27900 – 63700.