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Questions  >>  Olympiad-Math  >>  Class 6  >>  Math  >>  Ratio and Proportion
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Q)

The sum of three numbers is 98. If the ratio of the first to the second is 2:3 and that of the second to the third is 5:8, then the second number is


( A ) 25
( B ) 30
( C ) 10
( D ) 17

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A)
Let the three part A:B:C

here given in the question A:B=2:3

                                 And B:C=5:8

                       Then 5•3/5 :8•3/5

                       =       3: 24/5

                =       10:15:24

then we have find the value of second then

      = 98•15/49

       = 30 . And
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