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Major question on linear equation OF two variable graphically solution || Algebraic method

Class 10 Maths | Chapter 3 | Pair of Linear Equations in Two Variables | Important Questions | Quick Revision

Algebraic expressions A combination of constants and variables connected by the signs of fundamental operations of addition subtraction multiplication and division is called an algebraic expression.

Give reasons for the following statements: (i) Variable factor proportions obtain in the short run. (ii) Fixed factor proportions obtain in the long run.

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There are 200 questions on a 3 hour examination. Among these questions are 50 Mathematics problems. It is suggested that twice as much time be spent on each Maths problem as for each other question. How many minutes should be spent on Mathematics problems? (a) 36 (b) 60 (c) 72 (d) 100

There are 100 questions in a two hour M.C.A. entrance test. Among these questions, 40 will be in the area of Reasoning. It is suggested that two and a half times as much time be allowed for each reasoning problem as for each of the other questions. How many minutes should be spent on the Reasoning Problem?