1
JEE Advanced 2015 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

In the following reactions

JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 10 English

Compound X is

A
JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 10 English Option 1
B
JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 10 English Option 2
C
JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 10 English Option 3
D
JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 10 English Option 4
2
JEE Advanced 2015 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

In the following reactions

JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 9 English

The major compound Y is

A
JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 9 English Option 1
B
JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 9 English Option 2
C
JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 9 English Option 3
D
JEE Advanced 2015 Paper 2 Offline Chemistry - Hydrocarbons Question 9 English Option 4
3
JEE Advanced 2015 Paper 2 Offline
Numerical
+4
-0
For any integer k, let $${a_k} = \cos \left( {{{k\pi } \over 7}} \right) + i\,\,\sin \left( {{{k\pi } \over 7}} \right)$$, where $$i = \sqrt { - 1} \,$$. The value of the expression $${{\sum\limits_{k = 1}^{12} {\left| {{\alpha _{k + 1}} - {a_k}} \right|} } \over {\sum\limits_{k = 1}^3 {\left| {{\alpha _{4k - 1}} - {\alpha _{4k - 2}}} \right|} }}$$ is
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4
JEE Advanced 2015 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-1
Let $$S$$ be the set of all non-zero real numbers $$\alpha $$ such that the quadratic equation $$\alpha {x^2} - x + \alpha = 0$$ has two distinct real roots $${x_1}$$ and $${x_2}$$ satisfying the inequality $$\left| {{x_1} - {x_2}} \right| < 1.$$ Which of the following intervals is (are) $$a$$ subset(s) os $$S$$?
A
$$\left( { - {1 \over 2} - {1 \over {\sqrt 5 }}} \right)$$
B
$$\left( { - {1 \over {\sqrt 5 }},0} \right)$$
C
$$\left( {0,{1 \over {\sqrt 5 }}} \right)$$
D
$$\left( {{1 \over {\sqrt 5 }},{1 \over 2}} \right)$$
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