అర్థమేటిక్ & రీజనింగ్ గ్రూప్

Can any one send the solution for this problem?

Pls explaination

How?

43m

Option 3ha bro ans

26

2)4

Short cut lo chp bro

6qube 216

Skin 4kg 5kg 3kg 2kg

D

Ratio undi kani age adgaru ga

Ardham kaaledha

37.5

B Average of x numbers is y² Sum of x numbers is xy² Average of y numbers is x² Sum of y numbers is yx² Average of all numbers= xy²+yx²/x+y=xy