Question

15 girls one room 5 hours me sajati hai 3 chali jaye to bachi ladakiya room ko kitane jyada and kam time me sajayengi?

Answer 1

yahin laga le jitni dear me tu taiyaar hoga

Answer 2

15 girls- 3 girls. gone = 12 girls
15 girls = 5 hours
12 girls = ?
and the ans is 4 hours because.
15/ 3 = 5 hours
then. 12/3=4 hours