Page 160 - Bangladesh_classwiz_BOOK2018_rev_Neat

ii) AvqZ‡jL n‡Z MYmsL¨v eûfzR AuvKvi Rb¨ cÖvß AvqZ‡j‡Li AvqZmg~‡ni f‚wgi mgvšÍivj wecixZ evûi
ga¨we›`ymg~n wbY©q K‡i wPwýZ Kiv nq, wPwýZ ga¨we›`y mg~n †iLvsk Øviv mshy³ K‡i MYmsL¨v eûfzR AuvKv nq|

hv wb‡P †`qv n‡jv

2 | wb‡P 50 Rb wkÿv_©xi IR‡bi (‡KwR) MYmsL¨v wb‡ekb mviwY †`Iqv n‡jv| cÖ`Ë WvUvi MvwYwZK Mo I ga¨K
wbY©q Ki|

IRb 45 50 55 60 65 70
MYmsL¨v 2 6 8 16 12 6

mgvavb- D³ mgm¨vq e¨ewa †bB, d‡j IR‡bi gvb/WvUv mg~n mivmwi Kjv‡g cÖ‡ek Kiv‡bv hv‡e Ges MYmsL¨v
WvUv mg~n Freq Kjv‡g cÖ‡ek Kiv‡bv nq|
(Key log- w61qwR3145=50=55=60=

65=70=$R2=6=8=16=12=6=)

Gi ci wb‡¤œvv³ wPÎ †`Lv hv‡e|

GLb C evUb †P‡c T2evUb Pvc‡j, w¯Œ‡b wb‡¤œvv³ wPÎmg~n †`Lv hv‡e|

 MvwYwZK Mo, = 59.8 (‡KwR)

Ges ga¨K, Med = 60 (‡KwR)

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