Aik lerke ne 20 saal ki umer me aik box khareeda ,,,,, Wo apni her birthday per us me Rs 250 daal deta
Aur Us ki behen apni her birthday per us me se Rs 50 nikaal leti ,,,
Lerkey Ki Death 60 Saal ki umer me huiii
Jub box khola gya to us me se sirf Rs 500 nikley
Now if u r genious then give me the answer that why the amount Is less than calculation