Electronics and Communication Engineering
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ECE 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 1–3 of 65. Imported answers require review unless explicitly marked reviewed.
Question 1
Open questionGAMCQ1 markNeeds review
The current population of a city is 11,02,500. If it has been increasing at the rate of 5% per annum, what was its population 2 years ago?
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and
are positive integers and
, then,
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Open questionGAMCQ1 markNeeds review
The least number of squares that must be added so that the line P-Q becomes the line of symmetry is ________.

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