Exam Details
IIT JEE 1989
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Questions
44
Duration
180 mins
Package
IIT-JEE Advance - Previous Year Papers
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Topic distribution
Subtopic distribution
Difficulty distribution
44questions
Medium
25
56.8%
Easy
17
38.6%
Hard
2
4.5%
Question type distribution
44questions
Multiple Choices
26
59.1%
Subjective
16
36.4%
Fill in the blanks
2
4.5%
Syllabus
Full Syllabus
Sample questions from this paper
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1989 · Mathematics · Algebra · Probability
IIT JEE 1989
If the probability for \(A\) to fail in an examination is \(0.2\) and that for \(B\) is \(0.3\), then the probability that either \(A\) or \(B\) fails is \(0.5\)
1989 · Chemistry · Organic Chemistry · Hydrocarbons
IIT JEE 1989
n-Butane is produced by the monobromination of ethane followed by the Wurtz reaction. Calculate the volume of ethane at NTP required to produce 55 g n-Butane, if the bromination takes place with 90 percent yield and the Wurtz reaction with 85 percent yield.
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1989 · Mathematics · Algebra · Quadratic Equation And Inequalities
IIT JEE 1989
If x and y are positive real numbers and m, n are any positive integers, then \({{{x^n}\,{y^m}} \over {(1 + {x^{2n}})\,(1 + {y^{2m}})}} > {1 \over 4}\)
1989 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1989
Eight gram each of oxygen and hydrogen at 27oC will have the total kinetic energy in the ratio of _______.
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1989 · Mathematics · Algebra · Vector Algebra
IIT JEE 1989
For any three vectors \({\overrightarrow a ,\,\overrightarrow b ,}\) and \({\overrightarrow c ,}\)
$$\left( {\overrightarrow a - \overrightarrow b } \right)\,.\,\left( {\overrightarrow b - \overrightarrow c } \right)\, \times \,\left( {\overrightarrow c - \overrightarrow a } \right)\, = \,2\overrightarrow {a\,} .\,\overrightarrow {b\,} \times \,\overrightarrow c .$$
$$\left( {\overrightarrow a - \overrightarrow b } \right)\,.\,\left( {\overrightarrow b - \overrightarrow c } \right)\, \times \,\left( {\overrightarrow c - \overrightarrow a } \right)\, = \,2\overrightarrow {a\,} .\,\overrightarrow {b\,} \times \,\overrightarrow c .$$
1989 · Chemistry · Inorganic Chemistry · S Block Elements
IIT JEE 1989
The electrolysis of molten sodium hydride liberates ____ gas at the _____
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