If a:b=4:5, b:c=6:9, c:d=15:19, then a:b:c:d is :

(a) 8:10:15:19
(b) 10:11:15:19
(c) 8:9:15:19
(d) 19:15:6:8

Anurag Mishra Professor Asked on 5th April 2016 in Maths.
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    Answer: (a) 8: 10: 15: 19

    Anurag Mishra Professor Answered on 7th April 2016.
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