Lakshesh Verma Lakshesh Verma

Lecture 6 : Revision

  • Linear Equations in One Variable Assignments 1

    The ages of Hari and Harry are in the ratio 5:7. Four years from now the ratio of their ages will be 3:4. Find their present ages.

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  • Linear Equations in One Variable Assignments 2

    Solve: 

     

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  • Linear Equations in One Variable Assignments 3

    Solve: 

     

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  • Linear Equations in One Variable Assignments 4

    Solve: 

     

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  • Linear Equations in One Variable Assignments 5

    Solve: 

     

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  • Linear Equations in One Variable Assignments 6

    Solve: 

     

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  • Linear Equations in One Variable Assignments 7

    Simplify and solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 8

    Simplify and solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 9

    Simplify and solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 10

    Simplify and solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 11

    Solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 12

    Solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 13

    Solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 14

    Solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 15

    Solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 16

    Solve the linear equation 

     

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  • Linear Equations in One Variable Assignments 17

    Aman's age is three times his son's age. Ten years ago he was five times his son's age. Find their present ages.

     

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  • Linear Equations in One Variable Assignments 18

    A grandfather is ten times older than his granddaughter. He is also 54 years older than her. Find their present ages

     

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  • Linear Equations in One Variable Assignments 19

    Half of a herd of deer are grazing in the field and three fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the herd.

     

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  • Linear Equations in One Variable Assignments 20

    Hasan buys two kinds of cloth materials for school uniforms, shirt material that costs him Rs 50 per metre and trouser material that costs him Rs 90 per metre. For every 2 meters of the trouser material he buys 3 metres of the shirt material. He sells the materials at 12% and 10% profit respectively. His total sale is Rs 36660. How much trouser material did he buy?

     

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  • Linear Equations in One Variable Assignments 21

    There is a narrow rectangular plot, reserved for a school, in Mahuli village. The length and breadth of the plot are in the ratio 11:4. At the rate Rs 100 per metre it will cost the village panchayat Rs 75, 000 to fence the plot. What are the dimensions of the plot?

     

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  • Linear Equations in One Variable Assignments 22

    Shobo's mother's present age is six times Shobo's present age. Shobo's age five years from now will be one third of this mother's present age. What are their present ages?

     

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  • Linear Equations in One Variable Assignments 23

    One of the two digits of a two digit number is three times the other digit. If you interchange the digit of this two-digit number and add the resulting number to the original number, you get 88. What is the original number?

     

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  • Linear Equations in One Variable Assignments 24

    Sum of the digits of a two digit number is 9. When we interchange the digits it is found that the resulting new number is greater than the original number by 27. What is the two-digit number?

     

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  • Linear Equations in One Variable Assignments 25

    A positive number is 5 times another number. If 21 is added to both the numbers, then one of the new numbers becomes twice the other new number. What are the numbers?

     

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  • Linear Equations in One Variable Assignments 26

    Amina thinks of a number and subtracts from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the number?

     

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  • Linear Equations in One Variable Assignments 27

    Solve and check result: 

     

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  • Linear Equations in One Variable Assignments 28

    Solve and check result: 

     

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  • Linear Equations in One Variable Assignments 29

    Solve and check result: 

     

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  • Linear Equations in One Variable Assignments 30

    Solve and check result: 

     

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  • Linear Equations in One Variable Assignments 31

    Solve and check result: 8x + 4 = 3(x - 1) + 7

     

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  • Linear Equations in One Variable Assignments 32

    Solve and check result: 2x - 1 = 14 - x

     

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  • Linear Equations in One Variable Assignments 33

    Solve and check result: 4z + 3 = 6 + 2z

     

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  • Linear Equations in One Variable Assignments 34

    Solve and check result: 5x + 9 = 5 + 3x

     

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  • Linear Equations in One Variable Assignments 35

    Solve and check result: 5t - 3 = 3t - 5

     

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  • Linear Equations in One Variable Assignments 36

    Solve and check result: 3x = 2x + 18

     

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  • Linear Equations in One Variable Assignments 37

    The organizers of an essay competition decide that a winner in the competition gets a prize of Rs 100 and a participant who does not win gets a prize of Rs 25. The total prize money distributed is Rs 3000. Find the number of winners, if the total number of participants is 63.

     

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  • Linear Equations in One Variable Assignments 38

    I have a total of Rs 300 in coins of denomination Re 1, Rs 2 and Rs 5. The number of Rs 2 coins is 3 times the number of Rs 5 coins. The total number of coins is 160. How many coins of each denomination are with me?

     

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  • Linear Equations in One Variable Assignments 39

    Lakshmi is a cashier in a bank. She has currency notes of denominations Rs 100, Rs 50 and Rs 10, respectively. The ratio of the number of these notes is 2:3:5. The total cash with Lakshmi is Rs 4, 00,000. How many notes of each denomination does she have?

     

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  • Linear Equations in One Variable Assignments 40

    A rational number is such that when you multiply it by and add to the product, you get. What is the number?

     

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  • Linear Equations in One Variable Assignments 41

    Baichung's father is 26 years younger than Baichung's grandfather and 29 years older than Baichung. The sum of the ages of all the three is 135 years. What is the age of each one of them?

     

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  • Linear Equations in One Variable Assignments 42

    The number of boys and girls in a class are in the ratio 7:5. The number of boys is 8 more than the number of girls. What is the total class strength?

     

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  • Linear Equations in One Variable Assignments 43

    The ages of Rahul and Haroon are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present ages?

     

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  • Linear Equations in One Variable Assignments 44

    Three consecutive integers are such that when they are taken in increasing order and multiplied by 2, 3 and 4 respectively, they add up to 74. Find these numbers.

     

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  • Linear Equations in One Variable Assignments 45

    The sum of three consecutive multiples of 8 is 888. Find the multiples.

     

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  • Linear Equations in One Variable Assignments 46

    Three consecutive integers add up to 51. What are these integers?

     

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  • Linear Equations in One Variable Assignments 47

    Two numbers are in the ratio 5:3. If they differ by 18, what are the numbers?

     

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  • Linear Equations in One Variable Assignments 48

    Sum of two numbers is 95. If one exceeds the other by 15, find the numbers.

     

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  • Linear Equations in One Variable Assignments 49

    The base of an isosceles triangle is cm. The perimeter of the triangle is cm. What is the length of either of the remaining equal sides?

     

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  • Linear Equations in One Variable Assignments 50

    The perimeter of a rectangular swimming pool is 154 m. Its length is 2 m more than twice its breadth. What are the length and the breadth of the pool?

     

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  • Linear Equations in One Variable Assignments 51

    If you subtract from a number and multiply the result by, you get. What is the number?

     

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  • Linear Equations in One Variable Assignments 52

    Solve: 

     

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  • Linear Equations in One Variable Assignments 53

    Solve: 

     

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  • Linear Equations in One Variable Assignments 54

    Solve: 

     

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  • Linear Equations in One Variable Assignments 55

    Solve: 

     

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  • Linear Equations in One Variable Assignments 56

    Solve: 

     

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  • Linear Equations in One Variable Assignments 57

    Solve: 

     

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  • Linear Equations in One Variable Assignments 58

    Solve: 

     

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  • Linear Equations in One Variable Assignments 59

    Solve: 

     

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  • Linear Equations in One Variable Assignments 60

    Solve: 

     

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  • Linear Equations in One Variable Assignments 61

    Solve: 

     

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  • Linear Equations in One Variable Assignments 62

    Solve: 

     

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  • Linear Equations in One Variable Assignments 63

    Solve: 

     

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    • Description:-

    Lecture 6:
    In the last class, we had completed our Chapter – 2 Linear Equations in One Variable. Now today, you are going to revise the whole chapter through summary of the chapter, key points and practice paper, HOTS 
    Please go through all the topics which we had studied till now, their notes. Properly do the assignments, watch videos of the concerned topics.
    If you have any doubt about any topic/point please submit it in the discussion section... it will be answered as soon as possible.
    Now ...you can attempt quiz given of this chapter to check your concept clearance about the chapter.

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