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percentage of gold in 21.6 carat gold is...

percentage of gold in 21.6 carat gold is

A

`21.8%`

B

`90%`

C

`10%`

D

`70%`

Text Solution

Verified by Experts

The correct Answer is:
b
21.6 carat gold contains 21.6 parts of gold in 24 parts by weight of alloy.
`%` of gold in 21.6 carat gold `=(21.6)/(24)xx100=90%`
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The per cent of pure gold in 14 carat gold is about 58.3%. A 14 carat gold ring weighs 7.6 grams. How many grams of pure gold are in the ring?

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Knowledge Check

  • The percentage of gold in 21.6 carat of gold is

    A
    `80%`
    B
    `90%`
    C
    `21.6%`
    D
    `43.2%`

  • Percentage of gold in 14 carat gold is :

    A
    `58`
    B
    `80`
    C
    `40`
    D
    `14`

  • Percentage of gold in 14 carat gold is :

    A
    `58`
    B
    `80`
    C
    `40`
    D
    `14`

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