Agar osimlikda hosil bolgan mikrosporalarning 40%idan chang hosil boli

A) 230


66. (v20/21-109-21) Agar osimlikda hosil bolgan mikrosporalarning 40%idan chang hosil bolib, changing 50% uruglanishda qatnashgan bolsa hamda osimlik 160 ta urug hosil qilgan bolsa, shu jarayonda ishtirok etgan birlamchi chang hujayralar sonini aniqlang? A) 230 B) 200 C)180 D)190