![]() Its length is 5 times the height and breadth is 10 cm less than the length. What is the length, if the breadth is b meters? (b) The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. (v) Sarita’s father’s age is 5 years more than 3 times Sarita’s age. (iv) Grandmother is 2 years younger than grandfather. (iii) Sarita’s grandfather is 6 times her age. (i) What will be her age 5 years from now? ![]() (a) Take Sarita’s present age to be y years ![]() Unsolved, solved exercises, questions in different patterns will make the chapter more comprehensible to students.Īll important points of the chapter are cited in the end under the title- What Have We Discussed? Trial and error method is explained in this chapter which helps in getting the solution of an equations. The value of the variable in an equation which satisfies the equation is called a solution to the equation. An equation is a condition on a variable. It is expressed by saying that expression with a variable is equal to a fixed number.
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