Ten years ago, A's age was half of B's age. If
the ratio of their present ages is 3 : 4, what
will be the sum of their present ages?
(a) 20 years
(b) 30 years
(C) 35 years
(d) 32 years
With explanation or I will report
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10 years ago A's age was half of B's age if the ratio of their present age is 3:4 what will be the sum of their present ages. 2.
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Kinetic energy, form of energy that an object or a particle has by reason of its motion. ... Kinetic energy is a property of a moving object or particle and depends not only on its motion but also on its mass.
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