state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance Boat and River
A boat moves downstream at 1km in 5 minutes and upstream at 1km in 15 minutes. Find the speed of boat in still water.
1
5 kmph
2
7 kmph
3
8 kmph
4
6 kmph