Question

Those apple cost only 1 kilo

Answer 1

Answer:

80 kg apple are costly in one kg

Answer 2

Explanation:

An apple only Re.1 per kilo can be written but for is written but for is written to say that it cost for 1 kilo it is rupee 1. The cost of an apple of 1 kg will not make any sense to the sentence .The kilo cannot be used in the sentence