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Are the following statements true? (a) ...

Are the following statements true?
(a) 40 persons : 200 persons = Rs 15 : Rs 75
(b) 7.5 litres : 15 litres = 5 kg : 10 kg
(c) 99 kg : 45 kg = Rs 44 : Rs 20
(d) 32 m : 64 m = 6 sec : 12 sec
(e) 45 km : 60 km = 12 hours : 15 hours

Text Solution

Verified by Experts

`(a) 40 persons : 200 persons = ₹ 15 : ₹ 75`
`⇒ 40 / 200 = 1 / 5`
`⇒ 15 / 75 = 1 / 5`
`⇒ 1 / 5 = 1 / 5`
Hence, it is true
`(b) 7.5 litres : 15 litres = 5 kg : 10 kg`
`⇒ 7.5 / 15 = 1 / 2`
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