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## Monday, June 19, 2017

### AHSEC - Class 12 Question Papers: Mathematics' 2016

2016
MATHEMATICS
Full Marks: 100
Pass Marks: 30

Time: 3 hours
The figures in the margin indicate full marks for the questions

1. Answer the following questions: 1x10=10
1. Let. For, let if and only if. Write down as a subset of.
2. What is the domain of the function?
3. If, find.
4. For what value of, the matrix is not invertible?
5. If A is a square matrix of order 3 such that, find.

### AHSEC - Class 12 Question Papers: Mathematics'2015;

2015
MATHEMATICS
Full Marks: 100
Pass Marks: 30

Time: 3 hours
The figures in the margin indicate full marks for the questions

1. Answer the following questions: 1x10=10
1. If, what is the number of relations on?
2. Find the principal value of.
3. If, what is the order of the matrix?
4. If is a nonsingular matrix such that, what is?
5. What is the co-factor of 7 in the determinant
6. Is the derivative of an even function even?

### AHSEC - Class 12 Question Papers: Mathematics' 2014

2014
MATHEMATICS
Full Marks: 100
Pass Marks: 30

Time: 3 hours
The figures in the margin indicate full marks for the questions

1. Answer the following questions: 1x10=10
1. Is multiplication a binary operation on the set {0}
2. If write down the value of.
3. If A be a square matrix of order 2 whose determinant is , find the value of
4. What is the number of all possible matrices with entries 0 or 1?
5. If be two matrices and then what is the relation among?
6. What is the value of if a function is continuous at and?
7. State whether it is true or false: “The derivative of an even function is always an even function”.

### AHSEC - Class 12 Question Papers: Mathematics' 2013

2013
MATHEMATICS
Full Marks: 100
Pass Marks: 30

Time: 3 hours
The figures in the margin indicate full marks for the questions
NEW COURSE
1. Answer the following questions: 1x10=10
1. Given that is an equivalence relation in the set of integers. What is the number of partitions of?
2. Write down the domain of the function
3. If A is a square matrix of order 3 such that than what is the value of?
4. If then what is the value of
5. If is the cube root of unity, what is the value of the one root of the equation

### AHSEC - Class 12 Question Paper: Chemistry' 2016

2016
CHEMISTRY
(New Course)
Full Marks: 70
Pass Marks: 21

Time: 3 hours
The figures in the margin indicate full marks for the questions

1. Name one substance other than hydrogen that can be used for constructing fuel cells. 1
2. The curve showing the variation of adsorption with pressure at constant temperature is called ____. (Fill in the blanks) 1
3. What are Ores? Name one sulphide ore. 1
4. Mention the basicity of. 1
5. Define enantiomers. 1

### AHSEC - Class 12 Question Papers: Chemistry' 2014

2014
CHEMISTRY
(New Course)
Full Marks: 70

Time: 3 hours
The figures in the margin indicate full marks for the questions

1. How much H2 in grams will be liberated if 1F electricity is passed through acidified water? 1
2. Why does physisorption decrease with the increase of temperature? 1
3. Complete the following reaction: 1
4. Arrange the following in order of decreasing bond dissociation enthalpy. 1