1

JEE Advanced 2020 Paper 1 Offline

Numerical

+4

-0

Let m be the minimum possible value of $${\log _3}({3^{{y_1}}} + {3^{{y_2}}} + {3^{{y_3}}})$$, where $${y_1},{y_2},{y_3}$$ are real numbers for which $${{y_1} + {y_2} + {y_3}}$$ = 9. Let M be the maximum possible value of $$({\log _3}{x_1} + {\log _3}{x_2} + {\log _3}{x_3})$$, where $${x_1},{x_2},{x_3}$$ are positive real numbers for which $${{x_1} + {x_2} + {x_3}}$$ = 9. Then the value of $${\log _2}({m^3}) + {\log _3}({M^2})$$ is ...........

Your input ____

2

JEE Advanced 2020 Paper 1 Offline

Numerical

+4

-0

Let a

_{1}, a_{2}, a_{3}, .... be a sequence of positive integers in arithmetic progression with common difference 2. Also, let b_{1}, b_{2}, b_{3}, .... be a sequence of positive integers in geometric progression with common ratio 2. If a_{1}= b_{1}= c, then the number of all possible values of c, for which the equality 2(a_{1}+ a_{2}+ ... + a_{n}) = b_{1}+ b_{2}+ ... + b_{n}holds for some positive integer n, is ...........Your input ____

3

JEE Advanced 2020 Paper 1 Offline

Numerical

+4

-0

Let f : [0, 2] $$ \to $$ R be the function defined by

$$f(x) = (3 - \sin (2\pi x))\sin \left( {\pi x - {\pi \over 4}} \right) - \sin \left( {3\pi x + {\pi \over 4}} \right)$$

If $$\alpha ,\,\beta \in [0,2]$$ are such that $$\{ x \in [0,2]:f(x) \ge 0\} = [\alpha ,\beta ]$$, then the value of $$\beta - \alpha $$ is ..........

$$f(x) = (3 - \sin (2\pi x))\sin \left( {\pi x - {\pi \over 4}} \right) - \sin \left( {3\pi x + {\pi \over 4}} \right)$$

If $$\alpha ,\,\beta \in [0,2]$$ are such that $$\{ x \in [0,2]:f(x) \ge 0\} = [\alpha ,\beta ]$$, then the value of $$\beta - \alpha $$ is ..........

Your input ____

4

JEE Advanced 2020 Paper 1 Offline

Numerical

+4

-0

In a triangle PQR, let a = QR, b = RP, and c = PQ. If |a| = 3, |b| = 4

and $${{a\,.(\,c - \,b)} \over {c\,.\,(a - \,b)}} = {{|a|} \over {|a| + |b|}}$$, then the value of |a $$ \times $$ b|

and $${{a\,.(\,c - \,b)} \over {c\,.\,(a - \,b)}} = {{|a|} \over {|a| + |b|}}$$, then the value of |a $$ \times $$ b|

^{2}is ......Your input ____

Paper analysis

Total Questions

Chemistry

18

Mathematics

18

Physics

18

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