Old Exam Papers Dec. 2010 - Video

and explain the various methods of collecting primary
data. 16
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leadksa dks laxzfgr djus dh jhfr;ksa dh O;k[;k dhft;sA 16
3. From the following data calculate Mean, Median and
Mode :
Wages No. of persons
Less than 20 5
Less than 40 12
20-60 29
60 and above 31
80-100 8
100 and above 19
120 and above 5
fuEu leadksa ls lekUrj ek/;] e/;dk ,oa cgqyd Kkr
dhft;s %
etnwjh O;fä;ksa dh la[;k
20 ls de 5
40 ls de 12
600 2 MCOM-05
16
Papers (A) (December) 2010
(69)
pack of cards that drawn card is either a heart or a
king ? 8
rk'k dh xM~Mh esa ls ,d iÙkk fudkyus dh D;k izkf;drk
gS fd fudkyk x;k irk ;k rks iku gS ;k ckn'kkg
gS \ 8
(b) A problem of statistics is given to three students A, B
and C, their chances of solving it are 1 1
, and
2 3
1
4
respectively. What is the probability that the problem
will be solved ? 8
lkaf[;dh dk ,d iz'u rhu Nk=ksa A, B rFkk C dks fn;k
x;kA muds bls gy djus dh izkf;drk Øe'k% 1 1
,
2 3
rFkk 1
gSA D;k izkf;drk gS dh iz'u gy gks
4
tk;sxk \ 8
MCOM-05 7 600