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Assertion : 16 : 24 :: 20 : 30 are in pr...

Assertion : `16 : 24 :: 20 : 30 `are in proportion.
Reason : If a, b, c, d are in proportion, then a : c = b : d.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true.

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Knowledge Check

  • If a, b, c are in proportion, then

    A
    `a^(2) = bc`
    B
    `b^(2) = ac`
    C
    `c^(2) = ab`
    D
    none of these

  • If a, b and c are in continued proportion, then a^(2) : b^(2) is

    A
    ` a^(2):c^(2)`
    B
    `a : b`
    C
    `a : c`
    D
    ` b : c`

  • If a,b,c and e are in continued proportion , then a/e is equal to

    A
    `a^3// b^3`
    B
    `a^4 // b^4*`
    C
    `b^3//a^3`
    D
    `b^4//a^4`

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