NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.4 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.4.

- Simple Equations Class 7 Ex 4.1
- Simple Equations Class 7 Ex 4.2
- Simple Equations Class 7 Ex 4.3
- Simple Equations Class 7 MCQ

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 7 |

Subject |
Maths |

Chapter |
Chapter 4 |

Chapter Name |
Simple Equations |

Exercise |
Ex 4.4 |

Number of Questions Solved |
4 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations Ex 4.4

**Question 1.**

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)** What 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 of the number, the result is 23.

**Solution:
**

**Question 2.**

Solve the following :

**(a)** The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest mark 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?

**Solution:
**

**Question 3.**

Solve the following :

- 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?
- Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. What is Laxmi’s age?
- 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?

**Solution:
**

**Question 4.**

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 !

**Solution:**

Let ‘x’ be the number,

Then, according to the question, we get (x × 7) + 50 = 300 – 40

7x + 50 = 260

7x = 210

x = = 30

So, the number is 30.

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