అర్థమేటిక్ & రీజనింగ్ గ్రూప్
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Ko'proq ko'rsatishMamlakat belgilanmaganToif belgilanmagan
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Obunachilar
Ma'lumot yo'q24 soatlar
Ma'lumot yo'q7 kun
Ma'lumot yo'q30 kun
Postlar arxiv
Atla ivvadu kavacchu endhukante atla chesthe andarini AR to CIvil. Tssp to AR poye vallu chala untaru meelaga
Let boys score b, girls score g
(g/30)-(b/20)=5
Avg of class=(b+g)/50
Now new scores boys B, girls G
(g/30)-(G/30) =3
(B+G)/50 -(b+g)/50 =2
G=g-90
So, B=B+190
Now avg of boys=(b+190)/20 =b/20 +9.5
Avg increase by 9.5☑️
