Commerce (English Medium) इयत्ता १२ - CBSE Important Questions

Read the following passage:

Based on the above information, answer the following questions:

1. Find `P(L/C)` (1)
2. Find `P(overlineL/A)` (1)
3. (a) Find `P(A/L)` (2)
   OR
   (b) Find the probability that a randomly selected child is left-handed given that exactly one of the parents is left-handed. (2)

In answering a question on a multiple choice test, a student either knows the answer or guesses. Let `3/5` be the probability that he knows the answer and `2/5` be the probability that he guesses. Assuming that a student who guesses at the answer will be correct with probability `1/3`. What is the probability that the student knows the answer, given that he answered it correctly?

What is the purpose of Rikli and Jones fitness test? Explain the procedure of any two test items in detail.

Elucidate any four types of fractures.

With the help of suitable examples, discuss the application of Newton’s Laws of Motion in sports.

Assertion (A): Aggression is part of human behaviour and is necessary for an individual to live and struggle for higher achievements.

Reason (R): Aggression is inevitable and inseparable in sport activities.

In the context of the above two statements, which one of the following is correct?

Define strength.

List down the types of flexibility.

Which one of the following is a princely state of India that initially resisted joining the Indian Union?

In the given political map of India, four states have been marked as A, B, C, and D. Identify these states on the basis of the information given below and write their correct names in your answer book along with the respective serial number of the information used and the concerned alphabet as per the format that follows:

1. The state to which Raj Kumari Amrit Kaur, Health Minister in Nehru's Cabinet, belonged.
2. The state to which former Congress President. S. Nijalingappa, belonged.
3. The state where Karpoori Thakur was the Chief Minister.
4. The State to which the political party DMK belongs.

Which one of the following countries was NOT a part of the Soviet Union?

In the given political outline map of India, four states have been marked as (A), (B), (C) and (D). Identify these states on the basis of the information given below and write their correct names in your answer book along with the respective serial number of the information used and the concerned alphabets given in the ‘map as per the format that follows:

1. The state which has been bifurcated in two Union Territories recently.
2. The state where Rajiv Gandhi-Longowal Accord was signed.
3. The state to which Laldenga belonged.
4. The state from where the Dravidian Movement started.

Who advanced the 'Two Nation Theory' that led to the partition of British India?

Highlight any three problems faced by Government of India immediately after independence related to the displaced population.

“The ‘Arab Spring’ was the people’s revolution against injustice.” Support the statement with any two examples.

Examine any six consequences of the disintegration of USSR.

On 19^th March 2003, the US launched its invasion of Iraq the code name ______.

Study the given cartoon carefully and answer the questions that follow: 

1. The soldier shown in the cartoon belongs to which one of the following countries?
   1. USSR
   2. USA
   3. Iraq
   4. Iran
2. In which year was Iraq attacked under the code name ‘Operation Iraqi Freedom'?
   1. 1993
   2. 2000 
   3. 2003
   4. 2008
3. Which one of the following countries shown on the cartoon is a ‘Gulf country’?
   1. Iran
   2. Kazakhstan
   3. Pakistan
   4. Oman
4. The First Gulf War is also known as ______.
   1. Smart War
   2. Operation Liberation
   3. Computer War
   4. Operation Enduring Freedom

The objective of ASEAN is not restricted only to accelerating economic growth. Explain the statement.

Evaluate any three steps taken by the Chinese leadership for the growth of Chinese economy.