Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Relative Speed
An zetplane started at 30min later then scheduled time from a place 1500km away from destination to reach the destination at scheduled time pilot has increased the speed of zetplane by 250km/h. Find the usual speed of zetplane.
1
1000 km/h
2
250 km/h
3
750 km/h
4
500 km/h