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Title: NCERT Maths Class 7Chapter 4 Exercise 4.4
Description: NCERT Maths class 7 chapter 4 Exercise 4.4
Description: NCERT Maths class 7 chapter 4 Exercise 4.4
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(Chapter – 4) (Simple Equations)
(Class – VII)
Exercise 4
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(b) One-fifth of a number minus 4 gives 3
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(d) When I subtracted 11 from twice a number, the result was 15
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(f) Ibenhal thinks of a number
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5
(g) Answer thinks of a number
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2
Answer 1:
(a) Let the number be x
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According to the question,
y
43
5
y
3 4
5
y
7
5
y 75
y 35
1
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(Chapter – 4) (Simple Equations)
(Class – VII)
(c) Let the number be z
...
According to the question,
2x 15 11
2 x 26
26
x
2
x 13
(e) Let the number be m
...
According to the question,
n 19 8 5
n 19 40
n 40 19
n 21
n 19
8
5
2
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(Chapter – 4) (Simple Equations)
(Class – VII)
(g) Let the number be x
...
The highest score is 87
...
The vertex angle is 40
...
)
(c) Sachin scored twice as many runs as Rahul
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How many runs did each one score?
Answer 2:
(a) Let the lowest marks be y
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3
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(Chapter – 4) (Simple Equations)
(Class – VII)
(b) Let the base angle of the triangle be b
...
(c) Let the score of Rahul be x runs and Sachin’s score is 2 x
...
Question 3:
Solve the following:
(i) Irfan says that he has 7 marbles more than five times the marbles Parmit has
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How many marbles does Parmit have?
(ii) Laxmi’s father is 49 years old
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What is Laxmi’s age?
(iii) People of Sundergram planted a total of 102 trees in the village garden
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The number of non-fruit trees were two more than three
times the number of fruit trees
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tiwariacademy
...
5m 7 37
According to the question,
5m 37 7
5m 30
m
m6
30
5
Thus, Parmit has 6 marbles
...
Then her father’s age = 3 y 4 years
3 y 4 49
According to question,
3 y 49 4
3 y 45
y
y 15
45
3
Thus, the age of Laxmi is 15 years
...
Then the number of non-fruits tree = 3t 2
t 3t 2 102
According to the question,
4t 2 102
4t 102 2
4t 100
t
t 25
100
4
Thus, the number of fruit trees are 25
...
tiwariacademy
...
According to the question,
7n 90 300
7n 300 90
7n 210
210
n
7
n 30
7n 50 40 300
Thus, the required number is 30
Title: NCERT Maths Class 7Chapter 4 Exercise 4.4
Description: NCERT Maths class 7 chapter 4 Exercise 4.4
Description: NCERT Maths class 7 chapter 4 Exercise 4.4