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Mathematical Science

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Home/Science & Technology/Mathematical Science

Mains Answer Writing Latest Questions

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Asked: September 4, 2024In:
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Answer the question in maximum 15 to 20 words. This question carries 03 marks.[MPPSC 2023] A merchant loses 15% of his sales when he sells a chair for 1564. Determine the chair’s cost.

mppsc: mathematical science
  1. mhk saini
    mhk saini Learner
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TeamSupreme
Asked: September 4, 2024In:
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Answer the question in maximum 15 to 20 words. This question carries 03 marks.[MPPSC 2023] Any given set of data has a median of 25 and a mode of 24, thus find the mean.

mppsc: mathematical science
  1. mhk saini
    mhk saini Learner

    Median=25 Mode=24 The median is the middle value of the data which in sorted in order. The mode is the value that appear most frequently in data We cannot directly calculate the mean from just the median and mode Mean=(median+mode)/2 =(25+24)/2 =24.5 Mean is approximately 24.5

    Median=25

    Mode=24

    The median is the middle value of the data which in sorted in order.

    The mode is the value that appear most frequently in data

    We cannot directly calculate the mean from just the median and mode

    Mean=(median+mode)/2

    =(25+24)/2

    =24.5

    Mean is approximately 24.5

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TeamSupreme
Asked: September 5, 2024In:
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Answer the question in maximum 15 to 20 words. This question carries 03 marks.[MPPSC 2022] What is the likelihood of rolling the dice once and getting an even number?

mppsc: mathematical science
  1. mhk saini
    mhk saini Learner

    Six-sided dice has 6 possible outcome: 1,2,3,4,5 and 6 Even number are 2, 4 and 6 a total number of even outcome Calculate probability= Probability=no of favorable outcome/Total number of possible outcome For even number, favourable outcome is 3 Total no of possible outcome is 6 Probability=3/6 1/2=Read more

    Six-sided dice has 6 possible outcome:

    1,2,3,4,5 and 6

    Even number are 2, 4 and 6 a total number of even outcome

    Calculate probability=

    Probability=no of favorable outcome/Total number of possible outcome

    For even number, favourable outcome is 3

    Total no of possible outcome is 6

    Probability=3/6

    1/2=0.5

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TeamSupreme
Asked: September 5, 2024In:
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Answer the question in maximum 15 to 20 words. This question carries 03 marks.[MPPSC 2022] Between 0 and 20, how many prime numbers are there?

mppsc: mathematical science
  1. mhk saini
    mhk saini Learner

    The prime number between 0 and 20  are 2,3,5,7,11,12,17,19 To find prime number Cheak divisibility from 2 to √n - start with 2 - check divisibility by 2,3,5,7 If not divisible , its prime no

    The prime number between 0 and 20  are

    2,3,5,7,11,12,17,19

    To find prime number

    Cheak divisibility from 2 to √n

    – start with 2

    – check divisibility by 2,3,5,7

    If not divisible , its prime no

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Asked: September 14, 2024In:
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Answer the question in maximum 50 words/5 to 6 lines. This question carries 05 marks. [MPPSC 2022] Aman’s age exceeds that of Ravi by fifteen years. Determine Ravi’s age if Aman is sixty years old.

mppsc: mathematical science
  1. mhk saini
    mhk saini Learner
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TeamSupreme
Asked: September 14, 2024In:
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Answer the question in maximum 50 words/5 to 6 lines. This question carries 05 marks. [MPPSC 2022] The population of a city increases by 10% annually. If its present population is 20000, find the population of the city after 2 (two) ...

mppsc: mathematical science
  1. mhk saini
    mhk saini Learner
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TeamSupreme
Asked: September 4, 2024In:
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Answer the question in maximum 15 to 20 words. This question carries 03 marks.[MPPSC 2023] Determine x if 2, x, x, and 8 are all in proportion.

mppsc: mathematical science
  1. mhk saini
    mhk saini Learner

    The number are in proportion 2:x=x:8 We can write equation in 2/x=x/8 Now, cross multiply 2*8=x*x Simplify 16=x^2 Square root of both side x=+-√16 x=+-4 x=4 Value of x is 4

    The number are in proportion

    2:x=x:8

    We can write equation in

    2/x=x/8

    Now, cross multiply

    2*8=x*x

    Simplify

    16=x^2

    Square root of both side

    x=+-√16

    x=+-4

    x=4

    Value of x is 4

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