Question Bank : CBSE Question Bank for Mathematics with Solution

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NATIONAL CYBER OLYMPIAD (NCO) 2010

NCO Exam Date : September, 2010

How to participate:

The National Cyber Olympiad is in two levels:
Level 1 : The first level of the test is organized in the respective schools of the participants during the school hours.

(i) The level 1 competition is a written objective-type test of 60 minutes duration comprising 50 objective-type (Multiple Choice) questions for class 2 to class 12.

(ii) The question paper consists of :
    (A) Mental Ability,
    (B) Logical and Analytical Reasoning,
    (C) Computer and Information Technology.

(iii) There are separate question papers for each class.
(iv) The medium of the test is English.
(v) CBSE, ICSE/ISC and State Board syllabus is followed for setting the test papers.
(vi) The exam is conducted during school hours, preferably between 10.00 a.m. and 11a.m.

Level 2 :Online Examination at Reliance webstores Top 500 Students of level 1 qualify for the level 2 from each class. For the level 2, admit card containing all information regarding exam centre, date, timing, etc. is issued to the qualified students through their respective schools.

Registration of Students :The event is open to the students of classes 2 to 12 and registrations are received from the schools in the prescribed pro-forma. Registration sheet for the school / students and the information booklet are posted to the schools all over India.
Roll Numbers :
The school's coordinating teacher will be generating the students' Roll Numbers as per the guidelines given. A copy of these roll numbers along with the students' registration and school registration sheet should be sent to the Foundation's office before the last date.https://cbseportal.com
https://cbseportal.com
Foundation will register your school and the students and despatch question papers and guidelines for conducting the examination. Principals / teachers may please note that any school can be registered as a centre for NCO. No fee is required from the institution to become a registered examination Centre.
https://cbseportal.com
Minimum of 50 students need to be registered from each school for feasibility reasons. Students should be registered through the schools only. Individual registration by the student is not encouraged.
https://cbseportal.com
Fees :A nominal participation fee is charged from each student. Part of it is retained by the school for its expenses as exam centre. Details about the fee / mode of payment etc. are given in the School Registration Forms sent to schools.
https://cbseportal.com
Clarifications : Any clarification regarding rules, format/pattern of the paper, etc., may be sought from the National Co-ordinator through e-mail/fax/phone-call at   info@sofworld.org

Telefax: +91-11-46686000https://cbseportal.com
Address : B-8 / 406, Taj Apts., Ring Road, New Delhi-29 https://cbseportal.com

Syllabus:https://cbseportal.com

CLASS 12
Section – I (Mental ability) : Sets, Relations and functions, Mathematical induction, Logarithms, Complex numbers, Linear inequation, Quadratic equation, Sequences and series, Trigonometry, Cartesian system of rectangular coordinates, Straight line and family of straight lines, Circles, Conic section, Permutations and combinations, Binomial theorem, Exponential and logarithmic series, Mathematical logic, Statistics, Introduction to three dimensional geometry, Vectors, Stocks, Shares and debentures, Average and partition values, Index numbers, Matrices and determinants, Limits, Differential calculus.
https://cbseportal.com
Section – II (Logical and analytical reasoning) : Verbal and nonverbal reasoning.
https://cbseportal.com
Section – III (Computers and IT) : Computer fundamentals, Programming methodology, Introduction to programming in C++, Computer system organization.

CLASS 11
Section – I (Mental ability) : Linear equations in two variables, Polynomials, Rational expressions, Quadratic equations, Arithmetic progressions (A.P), Installments, Income tax, Similar triangles, Circles, Constructions, Mean, Probability, Pictorial representation of data, Coordinate geometry, Sets, Relations and functions logarithms, Geometrical progressions.
https://cbseportal.com
Section – II (logical and analytical reasoning) :

Study Notes For Class XI Chemistry: "General Organic Chemistry"

1. Electronic Displacements in Organic Molecules
2. Breaking of a Covalend Bond
3. Reaction Intermediates
4. Classification of reagents
5. Types of Organic Reactions
6. Free-Radical Mechanism
7. Electrophilic Substitution Reactions
8. Nucleophilic substitution reactions

The Class XII board exams are just around the corner and students across the country are in the final stages of preparation.

Sample test papers along with solutions for help students rev up their prep. So, if you think you're prepared for the board exams or would just like to check your test-taking skills, try this Maths paper:

Download Champak December (Second) 2009

HIGHER SECONDARY MODEL EXAMINATION FEBRURY-2010

Total Score: 60
Maximum Time: 2.15 Hours

Instructions:
1. Read the questions carefully before answering them.
2. Maximum time allowed is 2 hours 15 minutes, including cool off time.
3. First 15 minutes is cool off time during which you should not answer the questions. This time is meant to read the questions carefully.
4. Answer all questions taking the internal choices.

 {green=4, yellow, red=7}; 

2. Consider the following code and write the output of d ( 1 score)

float add(int a = 10, float b = 5.0, int c =10)
{
return a+b+c;
}
d = add(10.0); 

3. The function that returns non-zero value if no error has occurred is………… ( 1 score)

4. (A+B) . B = B, the law used here is ……………………….. ( 1 score)

5.

if ((a+b>c) && (a+c>b) && (b+c>a))
cout<<”triangle formation is possible”;
else
cout<<”triangle formation is not possible”;

Replace above code by using conditional operators. ( 2 score)

6.

 class student
{
int rollno,
char name(10),
int mark[6];
int total();
}s1,s2,s3;

Explain how memory is allocated for the above objects.

OR

7. What are constructors? List their characteristics. ( 2 score)

8. While reading data from the text file, the white space characters or blanks are not read. What can be the reason? Suggest a remedy. ( 2 score)

9. Anu and Rasik are members of system development team. During the investigation and fact recording phase of development they had to choose between interviewing and using questionnaires. Can you help them by explaining the advantages and disadvantages of each method? ( 2 score)

10. Draw the logic circuit diagram for the following Boolean expression. X + Y’ .Z ( 2 score)

11. Consider the table with the following fields Name, RollNumber and Mark for a set of students. Suggest a field among them which is suitable for primary key? Justify your answer.

OR