Question

after gaining 15kg nisha waighs 60kg.what was her privious waight

Answer 1

Her previous weight=60-15 =45kg

Answer 2

let her previous weight be X

now she had gained 15 kg weight more

her final weight is given as 60 kg

so according to the question ,

15 + X = 60

X = 60 - 15

X = 45 kg