In a country, in one year, average transport prices rose by 15% and the price of electrical products fell by 15%. The two products had equal weights in the retail price index.
If no other prices changed, what happened to the index?
1 )
It fell by less than 15%.
2 )
It fell by over 15%.
It remained unchanged.
4 )
It rose by less than 15%.
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!