The ratio of the present ages of Suman and Renu is 5 : 7
respectively. Four years hence the ratio will become 3 : 4
respectively. What is the present age of Renu in years?
(a) 28
(b) 24
(c) 20
(d) 21
(e) None of these
Answer Posted / guest
( a ) 28
Is This Answer Correct ? | 18 Yes | 4 No |
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if 8x+4y=6 and 4x+5y=7, x+y equlals
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