Question

the mean of two number is 10 and the difference is 0 find the number
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Answer 1

Let the numbers be a and b

According to question

a-b = 0 -----(1)

Mean = 10

=> (a+b) / 2 = 10

=> a+b = 20 -----(2)

On adding equation 1 and 2, we get

2a = 20

a= 10

On putting the value of a in equation 2, we get

b = 10

Required numbers are 10 and 10

Answer 2

Answer:

let the two numbers be x and x

x+x/2=10

2x=20

x=20/2=10

therefore the numbers are 10 and 10

hope this helps