in these typeof qs look at the no. of terms having bar on them (here three) so denominator will b 999 (if 2 terms hav bar then it will b 990 etc....)
then write 2357 and subtract the no. bfore decimal i.e
2357-2 = 2355 so the ans will be 2355 / 999
2) an + bn / an-1 + bn-1
= o then it is Harmonic mean = 1 then it is Arthmetic mean =1/2 then it is Geometric mean
3) If in a GP of +ive terms any term is = to sum of next 2 terms then common ratio is........................2sin18 degrees
4)Image of interval ( functions)
Image of interval ( -1 , 3 ) f (x) = 4x3 - 12x is............................. jst satisfy both the values ans comes out to b 8 and 72 but.................. look at coeff. of intervals i.e. -1 and +1 so ans is (-8 , 72)
I always like to walk in rain as no one can see me crying there :(
frnds are like diamonds , if u hit them , they don't break but they slip frm ur hands
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Moderation Team
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