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Both u and v vary directly with each oth...

Both u and v vary directly with each other. When u is 10, v is 15, which of the following is not a possible pair of corresponding values of u and v?

A

2 and 3

B

8 and 12

C

15 and 20

D

25 and 37.5

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  • Which of the following is not equal to w.(u xx v) ?

    A
    `u.(v xx w)`
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    C
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    D
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  • If u : v = v : w, then what is the value of u^4 : v^4 ?

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    `u^2 : Wv`
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    `u^2 : w^2`
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    `u^2 :w^2`
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