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The sum of three numbers is 79. If the r...

The sum of three numbers is 79. If the ratio of the first number to the second number is 4 : 7 and that of the second number to the third number is 4 : 5, then the second number is:
तीन संख्याओं का जोड़ 79 है। यदि पहली से दूसरी संख्या का अनुपात 4:7 है तथा टूसरी से तीसरी संख्या का अनुपात 4:5 है, तो दूसरी संख्या कौन सी है?

A

15

B

28

C

35

D

12

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