2 digits with ABACUS - 1 min 20 sec - Prataya Raju

2 digits without ABACUS - 2 min 40 sec - Divya Rani

3 digits with ABACUS - 1 min 39 sec - Ishika Raj

3 digits without ABACUS - 3 min 00 sec - Prataya Raju

4 digits with ABACUS - 2 min 00 sec - Ishika Raj

5 digits with ABACUS - 6 min 30 sec - Arush