Are the following statements true Mathematics cbse std 6th Ratio and Proportion
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CBSE-Class-6-Mathematics-NCERT-->View question


Are the following statements true?-Mathematics-cbse-std 6th-Ratio and Proportion

(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


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(a) 40 persons : 200 persons = Rs 15 : Rs 75
 40/200=1/5=1:5
15/75=1/5=1:5
Thus, the above statement is true.
(b) 7.5 litres : 15 litres = 5 kg : 10 kg
 7.5/15=1/2=1:2
 5/10=1/2=1:2
Thus, the above statement is true.
(c) 99 kg : 45 kg = Rs 44 : Rs 20
 99/45=11/5=11:5
 44/20=11/5=11:5
Thus, the above statement is true.
(d) 32 m : 64 m = 6 sec : 12 sec
  32/64=1/2=1:2
  6/12=1/2=1:2
Thus, the above statement is true.
(e) 45 km : 60 km = 12 hours : 15 hours
  45/60=9/12=3/4=3:4
  12/15=4/5=4:5
Thus, the above statement is false.

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