Exam Details
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
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Questions
90
Duration
180 mins
Package
IIT-JEE Main - Previous Year Papers
Paper pattern & analysis
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Topic distribution
Subtopic distribution
Difficulty distribution
90questions
Medium
56
62.2%
Easy
27
30%
Hard
7
7.8%
Question type distribution
90questions
Multiple Choices
60
66.7%
Numerical Answer Type (NAT)
30
33.3%
Syllabus
Full Syllabus
Sample questions from this paper
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2021 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
Match List - I with List - II :

Choose the most appropriate answer from the options given below.

Choose the most appropriate answer from the options given below.
2021 · Physics · Modern Physics · Atoms And Nuclei
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
The half life period of radioactive element x is same as the mean life time of another radioactive element y. Initially they have the same number of atoms. Then :
2021 · Mathematics · Algebra · Sequences And Series
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
Let Sn = 1 . (n \(-\) 1) + 2 . (n \(-\) 2) + 3 . (n \(-\) 3) + ..... + (n \(-\) 1) . 1, n \(\ge\) 4.
The sum \(\sum\limits_{n = 4}^\infty {\left( {{{2{S_n}} \over {n!}} - {1 \over {(n - 2)!}}} \right)}\) is equal to :
The sum \(\sum\limits_{n = 4}^\infty {\left( {{{2{S_n}} \over {n!}} - {1 \over {(n - 2)!}}} \right)}\) is equal to :
2021 · Chemistry · Inorganic Chemistry · Isolation Of Elements
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
Calamine and Malachite, respectively, are the ores of :
2021 · Physics · Modern Physics · Communication Systems
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
A carrier wave with amplitude of 250 V is amplitude modulated by a sinusoidal base band signal of amplitude 150V. The ratio of minimum amplitude to maximum amplitude for the amplitude modulated wave is 50 : x, then value of x is ____________.
Enter a numerical response
2021 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
Let the acute angle bisector of the two planes x \(-\) 2y \(-\) 2z + 1 = 0 and 2x \(-\) 3y \(-\) 6z + 1 = 0 be the plane P. Then which of the following points lies on P?