Home › RRB NTPC › Quantitative Aptitude › Time, Speed and Distance › Convert a speed of $90$ km/hr into metres per se…
Convert a speed of $90$ km/hr into metres per second.
A$18$ m/s
B$22.5$ m/s
C$25$ m/s
D$27$ m/s
Answer & Solution
Correct answer: C. $25$ m/s
Multiply km/hr by $\dfrac{5}{18}$: $90 \times \dfrac{5}{18} = 25$ m/s.
Related questions
The first step in a distance, rate and time problem, after reading it, is to:Hamilton drove 40 mph in the city and in the desert he drove:Hamilton's rate in the desert was how many times his rate in the city?Hamilton left home at 2:00 pm and entered the desert at 4:30 pm, so he drove in the city fHamilton's trip to Las Vegas from Orange County covers:Katie Mae's home is how far from her school?If Katie Mae walks at 3 mph and bikes 3 mph faster, her biking speed is:Katie Mae is 3 mph faster on her bike than on foot. Her walking speed is: