1.

Ten Years Ago, P Was Half Of Q's Age. If The Ratio Of Their Present Ages Is 3:4 What Will Be The Total Of Their Present Ages?

Answer»

LET present AGE of P and Q be 3x3x and 4x4x respectively.

Ten years ago, P was half of Q's age

⇒(3x−10)=12(4x−10)

⇒6x−20=4x−10⇒2x=10

⇒x=5⇒(3x−10)=12(4x−10)

⇒6x−20=4x−10⇒2x=10⇒x=5

TOTAL of their present AGES

=3x+4x=7x=7×5=35

Let present age of P and Q be 3x3x and 4x4x respectively.

Ten years ago, P was half of Q's age

⇒(3x−10)=12(4x−10)

⇒6x−20=4x−10⇒2x=10

⇒x=5⇒(3x−10)=12(4x−10)

⇒6x−20=4x−10⇒2x=10⇒x=5

Total of their present ages

=3x+4x=7x=7×5=35


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