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#1 Re: Exercises » Differential Calculus » 2009-03-09 20:02:26
#2 i)
3 (3x^2 + 4x - 5)^2 *(6x + 4)
i beg to be pardoned for how i express my equations 
#2 Re: Puzzles and Games » Complete the series.... » 2009-03-09 19:40:31
gud one!! but i believe when it comes to 'trick' questions any answer is correct as long as you can explain it sensibly.. many roads lead to Rome
#3 Re: Jai Ganesh's Puzzles » Multiple Choice questions: » 2009-03-08 10:08:19
#401
.63y - .45y = 342
.18y = 342
y = 342/.18= 1900
.78y = .78*1900 = 1482!!
#4 Re: Jai Ganesh's Puzzles » Oral puzzles » 2009-03-08 09:42:27
#642
7*25 = 175
3*20 = 60
3*28 = 84
60+84 = 144
175-144 = 31
is the remaining number 31?
#5 Re: Puzzles and Games » Complete the series.... » 2009-03-08 09:29:44
yes i woz answering xxxix i tried to solve it non-mathematically.. the second digits of the numbers are 1,2,3&4 so i assumed the other two's wud be 5&6.. 1st 3 digits began with 6,5&6 so i guessed the next 3 as 989,is it too far fetched?
#6 Re: Puzzles and Games » Complete the series.... » 2009-03-05 05:52:16
85, 96?
#7 Introductions » hello » 2009-02-21 20:00:48
- lady einstein
- Replies: 4
hi people i am an undergraduate maths student. i hope to grow in math here. thank you
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