About this tool
Work out your IBPS or SBI net score section by section under the one-fourth penalty for wrong answers.
This banking negative marking calculator converts section-wise attempts and accuracy into the net score an IBPS or SBI objective test actually awards, applying the official penalty of one-fourth of a question's marks for every wrong answer. It scores English, Quantitative Aptitude and Reasoning separately because sectional timing forces separate attempt decisions, then totals the marks earned against the marks surrendered. Since these papers carry five options and a 0.25 deduction, a blind guess is worth exactly zero on average — the tool shows how much elimination changes that.
Open Negative Marking Calculator Banking on AltFTool — it loads instantly in your browser.
Enter the values you already know.
Fine-tune the options to match your scenario.
Read the result and use it in your planning or reporting.
Sectional timing means each section needs its own attempt call, so each is scored on its own.
The deduction appears as its own figure instead of hiding inside a net total.
Question counts and durations follow the published structure of each prelims paper.
One-fourth of the marks assigned to a question is deducted for each wrong answer in the objective tests. On a one-mark question that is 0.25 marks. Questions left unanswered carry no penalty, and the descriptive paper is not subject to the deduction.
A blind guess is exactly break-even, not profitable. These papers have five options, so a random pick is right 20% of the time: 0.2 × 1 − 0.8 × 0.25 = 0 marks. Ruling out one option lifts the expected value to about +0.06 and ruling out three lifts it to +0.375, so only eliminated-option guesses actually pay.
20%. With a deduction of one-fourth, answering breaks even at an accuracy of 0.25 ÷ 1.25. In practice aim far higher — because cutoffs are decided by net marks, most selected candidates in prelims combine a moderate attempt count with accuracy above 85%.
No. The one-fourth penalty applies only to the objective tests. The descriptive paper in mains, such as the letter and essay section, is evaluated on its own and no marks are deducted for weak answers, though it is separately qualifying in most recruitments.
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