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BANKERS TUTORIAL · DBF · ORIGINAL PRACTICE & ANALYSIS

Practice & review: What a commercial bank does

Commercial banks combine deposit relationships, lending, payment services and financial record keeping. Understanding these functions helps a beginner separate customer convenience, income generation, liquidity needs and the bank's continuing obligations.

01 / 03Learn with a clear direction

2 min read Original learning material · Prepared 14 Oct 2026

The worked question on this page is original educational practice. It is not represented as a question from an official previous-year examination paper.

01 / UNDERSTANDING

Review the question

Create a short case with rising advances and weakening collections. Ask which further information is needed before praising growth; an original reasoning question is more useful than an unsupported prediction. Add a case in which transaction volume rises while service costs rise faster. Ask what this does and does not establish about profit. A good response names the missing income and cost information instead of assuming busier operations are automatically better.

02 / UNDERSTANDING

The concept in context

Lending creates a repayment claim, but collecting deposits creates an obligation. The bank must manage both sides together. A profitable loan portfolio can still leave a timing problem if cash receipts arrive after withdrawals or settlement obligations have to be met.

03 / UNDERSTANDING

A worked learning case

A training branch receives deposits, processes salary payments and finances a shop's equipment. Its manager cannot judge success only from the amount lent. The review also considers repayment quality, service costs, customer complaints and the availability of funds when depositors request withdrawals under their account terms.

ORIGINAL EDUCATIONAL PRACTICE

Try it before you check.

Does higher lending automatically mean better bank performance?

Show the answer and reasoning

No.

Lending volume says little about pricing, collection quality, funding cost or operating expense. A larger loan book can increase income while also increasing expected losses and cash-flow demands. Assess the quality and sustainability of growth alongside its amount, rather than treating activity as a complete performance measure.

Two traps to watch for.

  • Calling all customer receipts bank income.
  • Ignoring withdrawal obligations when discussing lending growth.

YOUR TOPIC-SPECIFIC LEARNING MAP

Learn from the attempt

  1. List four functions performed in the training branch.

  2. Separate revenue items from customer funds held as liabilities.

  3. Explain why loan profitability and immediate liquidity differ.

Explain the idea, apply it to a new situation, then check what changed in your reasoning.

BANKERS TUTORIAL · SOURCE NOTES

Keep the source alongside your notes.

Official links provide subject context and authoritative reference material. This guide’s explanation, scenario and question are original Bankers Tutorial learning content.

  1. iibf.org.in https://iibf.org.in/diploma-banking-finance
  2. www.iibf.org.in https://www.iibf.org.in/documents/RulesSyllabus/2026/42_DBF-Final_23_2_26%20_Final_website_12_03_2026.pdf
  3. www.rbi.org.in https://www.rbi.org.in/scripts/NotificationUser.aspx?Id=7680

For DBF preparation, check the current official notice before relying on changing dates, rules or examination requirements.

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