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Approximation & DI Test 55
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Approximation & DI Test 55

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  • Question 1/10
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    Directions For Questions

    DIRECTION: What approximate value should come in place of the question mark(?) in the following questions?

    ...view full instructions

    (19.908% of 2460.021) – (10.99% of 1299.78) = ? + 67.07
    Solutions

    ( × 2460) – ( × 1300) = ? + 67

    492 – 143 = ? + 67

    ? = 349 – 67 = 282

  • Question 2/10
    1 / -0

    Directions For Questions

    Direction:What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

    ...view full instructions

    ÷ ? × (15.05)2 = 449.53
    Solutions

    ÷ ? × (15.05)2 = 449.53

     × 225 = 450

    ? = = 12

  • Question 3/10
    1 / -0

    Directions For Questions

    Direction: What approximate value should come in place of the question mark (?) in the following question (Note: You are not expected to calculate the exact value)?

    ...view full instructions

    (6.99)2 + (28.99)2 – (4.01)3= ?
    Solutions
    49 + 841 – 64
    = 890 – 64 = 826(Approximate)
  • Question 4/10
    1 / -0

    Directions For Questions

    Direction: What should come in place of question mark (?) in the following question? (You do not have to calculate the exact value.)

    ...view full instructions

    158.01 × 4.02 + 19.95% of 849.92 + ? = 950.92
    Solutions
    158.01 × 4.02 + 19.95% of 849.92 + ? = 950.92
    Approximating the value to the nearest integer:
    158 × 4 + 20% × 850 + ? = 951
    632 +      × 850 + ? = 951
    632 + (850/5) + ? = 951
    632 + 170 + ? = 951
    802 + ? = 951
    ? = 951 - 802
    ? = 149
  • Question 5/10
    1 / -0

    Directions For Questions

    Direction: What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

    ...view full instructions

    Solutions

    = 4

  • Question 6/10
    1 / -0

    Directions For Questions

    Direction: Following table depicts percentage of marks of five students obtained in different subjects. Marks of Maths are out of 200 and that of Hindi are out of 50.Rest all subjects have marks out of 100.

    ...view full instructions

    What is ratio of marks of Sumant in Hindi to marks of Abhinandan in science?

    Solutions
    Total marks of Hindi = 50
    Marks of Sumant in Hindi = 50 × 76/100 = 38
    Total marks of Science = 100
    Marks of Abhinandan in Science = 100 × 68/100 = 68
    Required ratio:
    38 : 68 = 19 : 34
  • Question 7/10
    1 / -0

    Directions For Questions

    Direction: Following table depicts percentage of marks of five students obtained in different subjects. Marks of Maths are out of 200 and that of Hindi are out of 50.Rest all subjects have marks out of 100.

    ...view full instructions

    Which Student among all the students scored highest overall percentage?
    Solutions

    After adding marks of all students we get

    Since Tarun got highest marks i.E. 455 out of 500

    So highest percentage will be of Tarun

  • Question 8/10
    1 / -0

    Directions For Questions

    Direction: Following table depicts percentage of marks of five students obtained in different subjects. Marks of Maths are out of 200 and that of Hindi are out of 50.Rest all subjects have marks out of 100.

    ...view full instructions

    What is the total marks scored by all students combined in Maths and Hindi ?
    Solutions

    Solving percentage we get,

    Sum of marks obtained by all students = 764 + 186 = 950

  • Question 9/10
    1 / -0

    Directions For Questions

    Direction: Following table depicts percentage of marks of five students obtained in different subjects. Marks of Maths are out of 200 and that of Hindi are out of 50.Rest all subjects have marks out of 100.

    ...view full instructions

    What is overall percentage marks obtained by Ankur ?
    Solutions

    After solving , Calculating marks of all the students we get

    Average percentage of Ankur= = 63.3 %

  • Question 10/10
    1 / -0

    Directions For Questions

    Direction: Following table depicts percentage of marks of five students obtained in different subjects. Marks of Maths are out of 200 and that of Hindi are out of 50.Rest all subjects have marks out of 100.

    ...view full instructions

    What is ratio of marks of Abhinandan in Economics to that of Sumant in Hindi and Economics?
    Solutions

    After calculating the marks total of all students we get,

    Required Ratio is 86: (38+75)

    =86:113

    Hence required ratio =86:113

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