Number Series
Quick practice
Question 1 of 5
A boatman rows to a distant place located 45km from his location and comes back in about 20 hours. He finds that he can row 30 km along the stream at the same time as 15 km against the stream. What will be the speed of the stream?
A
2 km/hrs
B
1.75 km/hrs
C
3 km/hrs
D
1.6875 km/hrs
Get unlimited practice with NTA-UGC-NET & SET Exams subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go