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Write T for...

Question

Write $(T)$ for true and $(F)$ for false in the following:
$45 K m : 60 K m :: 12 h : 15 h$

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Solution

In $45 K m : 60 K m :: 12 h : 15 h$
Product of extremes $= (45 \times 15) = 675$
Product of means $= (60 \times 12) = 720$
$∴$ Product of extremes $\neq$ product of means
Hence, false(F)

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