Daily maintenance fluid for a child weighing 10 kg is:
The Holliday-Segar Method

In the Holliday-Segar Method, fluid and electrolyte requirements are empirically based on the caloric needs of the average hospital patient.
The same formula is used for calculating calorie requirement as well as fluid requirement
1000 ml/day
800 ml/day
500 ml/day
1200 ml/day