The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:	Pick: A) 10 B) 50 C) 20 D) 30 E) 40
Let the three parts be A, B, C. Then,   A : B = 2 : 3 and B : C = 5 : 8   = (5 x (3/5)):(8 x (3/5))   = 3 : 24/5   A : B : C = 2 : 3 : 24/5   = 10 : 15 : 24   B = (98 x 15/49)= 30.   Answer is 30.
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The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is: