Page 187 - Grade 10 C.Math

f
-3_ dWos kTtf nufpg'xf];\ .
m d = m - A f fd
15 -20 4 -80

25 -10 6 -60
35 0 10 0
Curriculum Development Centre
45 10 15 150
55 20 5 100
f = 40 fd = 110
ctM, dWos f

= 35 + 2.75 = 37.75

2. kb ljrng ljlw (step - devia on method)

-s_ d = m - A kTtf nufpg'xf];\ .

-v_ k|To]s ljrng 'd' nfO{ ;dfg u'0fg v08 cyjf ju{x¿sf] ;dfgcGt/ h cyjf (i) n]
efu ug'{xf];\, h;nfO{ d' = d/h n] hgfpg'xf];\ .

-u_ fd' kTtf nufpg'xf];\ .

-3_ dWos f kTtf nufpg'xf];\ .

m d = m - A = m - 35 f d' = d/10 fd'
15 -20 4 -2 -8
25 -10 6 -1 -6
35 0 10 0 0
45 10 15 1 15
55 20 5 2 10
N = 40 fd' = 11

f
ca, dWos dfg

= 35 + 2.75 = 37.75

184 ul0ft, sIff – 10