71st BPSC Prelims (2025), question 9

🧮 Mental Ability

  1. Find the missing number: rows [28,20,7], [84,?,12], [45,25,9].

    1. 30
    2. 35
    3. 20
    4. 25
    Show answer

    Answer: B — 35

    Following the matrix relationship (row-wise products/ratios), the missing number is 35.

Read the chapter this comes from

CareerCraft Labs is a private study platform. It is not a government body and is not affiliated with, endorsed by, or authorised by any examination authority. We do not accept applications, conduct examinations, or issue government results.

Official sources (1)

Bihar Public Service Commission