Maths-
General
Easy
Question
If 
are distinct non-zero complex numbers and 
such that 
then 
is always equal to
- zero
- none
The correct answer is: zero
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Equivalent weights of and 
respectively are
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respectively are
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Let 
and 
. Then, the line of intersection of planes one determined by 
and other determined by 
is perpendicular to
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Maths-General
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A non - zero vector 
is parallel to the line of intersection of the plane 
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and 
and plane 
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and 
, then angle between and vector 
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Let a,b,c be distinct non - negative numbers and the vectors 
lie in a plane, then the quadratic equation 
has
Let a,b,c be distinct non - negative numbers and the vectors lie in a plane, then the quadratic equation has
Maths-General
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If 
and 
are anythree vectors forming a linearly independent system then 
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If and are anythree vectors forming a linearly independent system then equals
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Select the correct statement
Select the correct statement
Chemistry-General
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Roasting of concentrated zinc sulphide ore is completed at the temperature of 1200 K to _______
Roasting of concentrated zinc sulphide ore is completed at the temperature of 1200 K to _______
Chemistry-General
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The final product (C) in the following reactions is:
The final product (C) in the following reactions is:
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How many structures of Fis possible?
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Chemistry-General
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Reactivity of 
with the following in the decreasing order is:
i) 
ii) 
iii) 
iv) 
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i)
ii)
iii)
iv)
Chemistry-General
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When 
is treated with 
MgBr,followed by hydrolysis, the product is:
When is treated with MgBr,followed by hydrolysis, the product is:
Chemistry-General
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Consider the following halogen-containing compounds;
I) 
II) 
III) 
IV) 
V) 
Consider the following halogen-containing compounds;
I)
II)
III)
IV)
V)
Chemistry-General
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Which of the following mentioned positions in the given compound is more reactive towards electrophilic substitutions?
Which of the following mentioned positions in the given compound is more reactive towards electrophilic substitutions?
Chemistry-General
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Two adjacent sides of a parallelogram ABCD are given by 
and 
. The side AD is rotated by an acute angle 
in the plane of parallelogram so that AD becomes AD. If AD makes a right angle with the side AB then the cosine of angle is given by
Two adjacent sides of a parallelogram ABCD are given by and . The side AD is rotated by an acute angle in the plane of parallelogram so that AD becomes AD. If AD makes a right angle with the side AB then the cosine of angle is given by
Maths-General
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At A, h>0 and 
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Maths-General
