sandeep is younger than dikshith by 4 years. if their age are in the ratio of 7:9, how old is dikshith?​

Question

sandeep is younger than dikshith by 4 years. if their age are in the ratio of 7:9, how old is dikshith?​

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Adeline 2 months 2021-10-05T04:00:06+00:00 2 Answers 0 views 0

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    0
    2021-10-05T04:01:36+00:00

    Given : sandeep is younger than dikshith by 4 years. their age are in the ratio of 7:9,

    To find : how old is dikshith?​

    Solution:

    Let say Dikshith age is   = D years

    sandeep is younger than dikshith by 4 years

    => Sandeep age =  D – 4 years

    their age are in the ratio of 7:9

    => (D – 4)/D  = 7/9

    => 9(D – 4) = 7D

    => 9D – 36 = 7D

    => 2D = 36

    => D = 18

    Dikshith is 18 years old

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    0
    2021-10-05T04:01:36+00:00

    Given :

    Sandeep is younger than Dikshith by 4 years .

    Age ratio = 7 : 9

    To find :

    Age of Dikshith .

    Solution :

    Let the age of Dikshith be x .

    Then , the age of Sandeep = x – 4

    Age ratio = 7 : 9

    => ( x – 4 ) / x = 7 / 9

    => 9x – 36 = 7x

    => 2x = 36

    => x = 18

    The age of Dikshith is 18 year .

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