NCERT books are recommended text book for CBSE school curriculum. Most of the govt aided and private schools in India follow NCERT text books as the syllabus books for school subjects. They are written by eminent academicians and scholars from leading universities and academic institutions in India, and help in building a strong base, as well help understand each concept by relevant examples and exercises. They are termed best in term of concept building, for their usage of real life practical examples, and good end of the chapter exercises.
In this article, we have shared solved NCERT exercises for Class 7 maths Simple equation chapter. Simple equations is an important chapter, as it set a base for the algebra for the future classes, as well as build the arithmetic skills among the students, when they analyze various equations and solve them by performing required mathematical operations. These NCERT solutions will help students in solving their doubts and clarifying confusion regarding confusions regarding Simple equations chapter. Students can refer to NCERT solutions for simple equations chapter for their conceptual understanding, as well as matching their own answers with the right solutions of the exercises.
Class 7 math ncert solution simple equations chapter
Exercise 4.1 solutions
Q1 – Complete the last column of the table View solution
Q2 – Check whether the value given in the brackets is a solution to the given equation or not: (a) n + 5 = 19 (n = 1) (b) 7n + 5 = 19 (n = – 2) (c) 7n + 5 = 19 (n = 2)(d) 4p – 3 = 13 (p = 1) (e) 4p – 3 = 13 (p = – 4) (f) 4p – 3 = 13 (p = 0) View solution
Q3 – Solve the following equations by trial and error method: (i) 5p + 2 = 17 (ii) 3m – 14 = 4 View solution
Q4 – Write equations for the following statements: (i) The sum of numbers x and 4 is 9. (ii) 2 subtracted from y is 8. (iii) Ten times a is 70. (iv) The number b divided by 5 gives 6. (v) Three-fourth of t is 15. (vi) Seven times m plus 7 gets you 77. (vii) One-fourth of a number x minus 4 gives 4. (viii) If you take away 6 from 6 times y, you get 60. (ix) If you add 3 to one-third of z, you get 30. View solution
Q5 – Write the following equations in statement forms View solution
Q6 – Set up an equation in the following cases: (i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. (Take m to be the number of Parmit’s marbles.) (ii) Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. (Take Laxmi’s age to be y years.)(iii) The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.) (iv) In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees). View solution
Exercise 4.2 solutions
Q1 – Give first the step you will use to separate the variable and then solve the equation: View solution
Q2 – Give first the step you will use to separate the variable and then solve the equation: View solution
Q3 – Give the steps you will use to separate the variable and then solve the equation: View solution
Q4 – Solve the following equations: View solution
Exercise 4.3 solutions
Q1 – Solve the following equations: View solution
Q2 – Solve the following equations: View solution
Q3 – Solve the following equations: View solution
Q4 – (a) Construct 3 equations starting with x = 2 (b) Construct 3 equations starting with x = – 2 View solution
Exercise 4.4 solutions
Q1 – Set up equations and solve them to find the unknown numbers in the following cases: (a) Add 4 to eight times a number; you get 60. (b) One-fifth of a number minus 4 gives 3. (c) If I take three-fourths of a number and add 3 to it, I get 21. (d) When I subtracted 11 from twice a number, the result was 15. (e) Munna subtracts thrice the number of notebooks he has from 50, he finds the result to be 8. (f) Ibenhal thinks of a number. If she adds 19 to it and divides the sum by 5, she will get 8. (g) Anwar thinks of a number. If he takes away 7 from 5/2of the number, the result is 23. View solution
Q2 – Solve the following: (a) The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. What is the lowest score? (b) In an isosceles triangle, the base angles are equal. The vertex angle is 40°. What are the base angles of the triangle? (Remember, the sum of three angles of a triangle is 180°). (c) Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did each one score? View solution
Q3 – Solve the following: (i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. How many marbles does Parmit have? (ii) Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. What is Laxmi’s age? (iii) People of Sundargram planted trees in the village garden. Some of the trees were fruit trees. The number of non-fruit trees were two more than three times the number of fruit trees. What was the number of fruit trees planted if the number of non-fruit trees planted was 77? View solution
Q4 – Solve the following riddle: I am a number, Tell my identity! Take me seven times over And add a fifty! To reach a triple century You still need forty! View solution
In the article, we have shared solutions for ncert exercises for class 7 maths for simple equations chapter. Students can click to respective chapters and refer to the right solution. We advise students to refer to them as clearing their concepts, and matching their solutions. Student should not use them to copy solutions for their homework and instead should try to solve homework on own, as it will impact their learning process. In our observation, many students struggle in working with equations, especially with higher order equations. These ncert solutions on simple equations chapter will help them clear their conceptual doubts too.
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