Question

mean weight of 10 apples is 123gms.when 2 apples are added the mean became 121gms.find the mean weights of the two added apples?

Answer 1

MEAN=TOTAL WEIGHTS/NO.OF ITEMS
123 =x/10
1230=x
x is the addition of WEIGHTS of 10 apples
after adding 2 apples
no. of apples =12
MEAN=TOTAL WEIGHTS/NO. OF ITEMS
121=y/12
121×12=y
1452=y
y is the addition of weights of 12 apples
y-x=1452-1230
222...
THE WEIGHTS OF 2 APPLES IS 222GMS

Answer 2

Answer:

The weights of 2 apple is 222Gms.

Step-by-step explanation:                                                                 MEAN=TOTAL WEIGHTS/NO.OF ITEMS

123 =x/10

1230=x

x is the addition of WEIGHTS of 10 apples

after adding 2 apples

no. of apples =12

MEAN=TOTAL WEIGHTS/NO. OF ITEMS

121=y/12

121×12=y

1452=y

y is the addition of weights of 12 apples

y-x=1452-1230