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| Total Answers and Comments: 5 |
Last Update: January 31, 2007 |
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November 19, 2005 21:18:00 | #2 |
| murali922 |
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Member Since: November 2005 Contribution: 2 |
RE: Two trees are there. One grows at 3/5 of the other...
| Answer should be 1.5 !!! Let the trees be x y from question : - eq1 is x 3/5 (y) eq2 after 4 yrs x+y 8 from the 2 equations we get y 5 and x 3 according to our equation x 3/5(y) -> x is the smaller tree. In 4 yrs x grows 3ft In 2 yrs x grows ?ft Ans 1.5ft. Correct me if I am wrong.
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March 12, 2006 00:43:40 | #4 |
| abhishek |
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RE: Two trees are there. One grows at 3/5 of the other...
| hi ans is 1.5 by unitary method in 4 years (t1 3/5)*t2 this shows that t2 is big tree now during 4 years t1+t2 8 then t1+(5/3)*t1 8 t1 3 t2 5 now in 4yr t1(small tree) grows 3 ft therefore in 2 yr t1(small tree )will grow (3/4)*2 1.5
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