Mathematics 2008 Question Papers

Sol.

ClassInterval Freq. (fi) cfi
0 - 10 2 2
10 - 20 5 7
20 - 30 x 7+x
30 40 12 19 + x
40 - 50 17 36+x
50 60 20 56 + x
60 70 Y 56 + x + y
70 80 9 65 + x + y
80 - 90 7 72 + x + y
90 100 4 76 + x + y
100 (Same)

Mathematics 2008 Question Papers Class X
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