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May 14, 2020

DEFORESTATION – वनोन्मूलन

DEFORESTATION (वनोन्मूलन) BY: GAZAL BHATNAGAR,VIDHYARTHI DARPAN DEFINITION AND MEANING: Deforestation means the process of cutting down and burning the trees in forest and woodland and converting the land to other […]
December 6, 2019

Business Studies 12th Previous Year Question Paper 2017 (CBSE)

Business Studies Q.1. Give the meaning of ‘supervision’ as an element of directing. Ans. Supervision means overseeing the employees at work to ensure optimum utilization of resources and achievements of […]
December 4, 2019

Sociology 12th Previous Year Question Paper 2019 (CBSE)

Sociology Q.1. What is social about social inequality ?  Answer: Social inequality is social as it is : Not about individuals but groups. Not economic thought a link is usually […]
December 4, 2019

Sociology 12th Previous Year Question Paper 2018 (CBSE)

Sociology Q.1. What is meant by the age structure of the population ?  Answer: The age structure of the population refers to the proportion of persons in different age groups […]
December 3, 2019

Accountancy 12th Previous Year Question Paper 2018 (CBSE)

Accountancy Q.1 Amit and Beena were partners in a firm sharing profits and losses in the ratio of 3 : 1. Chaman was admitted as a new partner for 1⁄6 […]
December 2, 2019

Maths 12th Previous Year Question Paper 2018 (CBSE)

Maths Section – A Q.1. Find the value of tan-1 -cot-1 . Solution: We have  Q.2. If the matrix A = is skew-symmetric, find the values of’a’ and ‘b’.  Solution: […]
November 30, 2019

Maths 12th Previous Year Question Paper 2019 (CBSE)

Previous Paper (SET-1) Click Here! Maths Section – A Q.1. Find | AB |, if A = and B = . Solution:  Q.2. Differentiate  , with respect to x. Solution: […]
November 30, 2019

Maths 12th Previous Year Question Paper 2019 (CBSE)

Maths SET-I Section – A Q.1. If A is a square matrix satisfying A’ A = I, write the value of |A|. Solution: Given, A’ A= I   Q.2. If […]
November 30, 2019

Physics 12th Previous Year Question Paper 2018 (CBSE)

Physics Section – A Q.1. A proton and an electron travelling along parallel paths enters a region of uniform magnetic field, acting perpendicular to their paths. Which of them will […]
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