JEE Main 2025 Paper : Memory Based Questions and Analysis of 30th January (B.Arch)

A general equation of a circle is

$
x^2+y^2+2 g x+2 f y+c=0
$

Since it passes through $(0,0)$,

$
c=0
$

So the equation becomes

$
x^2+y^2+2 g x+2 f y=0
$

It cuts the x -axis at ( $a, 0$ ).

Substituting:

$
a^2+2 g a=0
$

g=-a/2

NH3 ,NH4 Me different kya hai - NH3 (Ammonia) is a neutral, pungent gas, while NH4 (Ammonium) is a positively charged ion (NH4+) formed when ammonia accepts a proton (H+), making it a salt-like compound

JEE Main 28 Jan shift 2 exam will end at 6 PM. The complete analysis and memory-based questions will solution will be updated in the below article. Keep checking the page-

https://engineering.careers360.com/articles/jee-main-2026-january-28-shift-2-question-paper-with-solutions-pdf

The JEE Main Jan 28 paper for shift 1 was moderate. Although Chemistry was a bit tricky. As expected, Maths was time consuming. But Physics was on the easier side.

You can find the answers for Jan 28 shift 1 online. They are memory based. I found this article helpful

Hi Lucky,
Please refer to this link and you can download the free pdf.

https://engineering.careers360.com/download/ebooks/jee-main-2026-memory-based-questions-and-analysis-of-21st-january-shift-1

Hi Jhingoor,

Please refer to these free pdfs for reference
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https://engineering.careers360.com/download/ebooks/jee-main-chemistry-important-formulas

https://engineering.careers360.com/download/ebooks/jee-main-important-formulas-for-physics-pdf

https://engineering.careers360.com/download/ebooks/jee-main-maths-important-formulas

Hi, you can refer to this ebook

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The AP PGCET exam does not offer degrees in Pharmacy. Could you please clarify which exam you are referring to so that I can help you accordingly?

Hi Zulfekar Ahmad,
Please refer to this article for GPAT Preparation

https://pharmacy.careers360.com/articles/gpat-preparation-tips

HI Manisha Maharana

You can download the JEE Mains 10 Free Mock Test with Detailed solutions. Its a feely downloadable pdf.
https://engineering.careers360.com/download/sample-papers/jee-main-10-full-mock-test-and-explanations-pdf

Also, you can check ad attemp the online mock test on our platform.
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