Arts (English Medium) Class 12 - CBSE Important Questions

If A = `[(2,-3,5),(3,2,-4),(1,1,-2)]` find A⁻¹. Using A⁻¹ solve the system of equations:

2x – 3y + 5z = 11

3x + 2y – 4z = –5

x + y – 2z = –3

Find the area of the region in the first quadrant enclosed by the x-axis, the line y = x and the circle x² + y² = 32.

Find the differential equation representing the family of curves `y = ae^(bx + 5)`. where a and b are arbitrary constants.

Find the vector equation of the line passing through the point A(1, 2, –1) and parallel to the line 5x – 25 = 14 – 7y = 35z.

Find the magnitude of each of two vectors `veca` and `vecb` having the same magnitude such that the angle between them is 60° and their scalar product is `9/2`

If θ is the angle between two vectors `hati - 2hatj + 3hatk and 3hati - 2hatj + hatk` find `sin theta`

Define Flexibility.

In the midst of severe competition and many conflicts in 1989, a consensus appeared to have emerged among most parties. Explain any three points of consensus.

Explain any three components of the accounts group 'Current Liabilities'.

State the objectives of 'Analysis of Financial Statements'.

Financial Statements are prepared following the constituent accounting concepts principles procedures and also the legal environment in which the business organisation operate. These statements are the source of information on the basis of which conclusions are drawn about the profitability and financial position of a company so that their users can easily understand and use them in their economic decisions in a meaningful way.

From the above statements identify any two values that a company should observe while preparing its financial statements. Also, State under which major headings and sub-headings the following items will be presented in the Balance Sheet of a company as per Schedule III of the Companies Act 2013

(1) Capital Reserve
(2) Calls-in-Advance
(3) Loose Tools
(4) Bank overdraft

Calculate Revenue from operations of BN Ltd. From the following information:

Goods were sold at a profit of 25% on cost.

State the steps to construct Bank-Reconciliation statement using Tally.

______ means any offer of securities to a select group of persons by a company other than by way of the public offer.

No debenture redemption reserve is required for debentures issued by ______.

State the objectives of 'Analysis of Financial Statements'.

Financial Statements are prepared following the constituent accounting concepts principles procedures and also the legal environment in which the business organisation operate. These statements are the source of information on the basis of which conclusions are drawn about the profitability and financial position of a company so that their users can easily understand and use them in their economic decisions in a meaningful way.

From the above statements identify any two values that a company should observe while preparing its financial statements. Also, State under which major headings and sub-headings the following items will be presented in the Balance Sheet of a company as per Schedule III of the Companies Act 2013

(1) Capital Reserve
(2) Calls-in-Advance
(3) Loose Tools
(4) Bank overdraft

Calculate Revenue from operations of BN Ltd. From the following information:

Goods were sold at a profit of 25% on cost.

Explain the meaning of the term 'Relational database'.

Explain the meaning of the term 'Query' as a tool of SQL.