state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Average
The average mass of 20 bricks increases by 0.5 kg when a stone is placed in place of one of the bricks having mass 3 kg. What might be the mass of the stone?
1
3 kg
2
13 kg
3
9 kg
4
10 kg