A Question is given followed by two Statements I and II. Consider the Question and the Statements.
- Question: What is the time required to download the software?
- Statement–I: The size of the software is 12 megabytes.
- Statement–II: The transfer rate is 2.4 kilobytes per second.
Which one of the following is correct in respect of the above Question and the Statements?
Answer & explanation
Answer: (c) The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone
Download time = size ÷ transfer rate. Statement I gives only the size and Statement II only the rate; together they fix the time.
- Time = size of the software ÷ transfer rate.
- Statement I gives the size (12 megabytes) but no rate, so it is not sufficient.
- Statement II gives the rate (2.4 kilobytes per second) but no size, so it is not sufficient.
- Together: 12 megabytes = 12,000 kilobytes (taking 1 MB = 1000 KB), so time = 12,000 ÷ 2.4 = 5,000 seconds; with 1 MB = 1024 KB it is 5,120 seconds. Either way the time is fixed.
Remember · In data sufficiency, write the formula first and tick off which statement supplies each quantity.
Question and answer: UPSC's official GS Paper II (2024, Series A) — paper ↗ · answer key ↗. Explanation: Minimalist IAS, checked 30 Sept 2026 (how we verify). ·