A person crosses 4200 m long bridge in 25 minutes. Find his speed in kmph:
Given:
Distance = 4200 m
Time = 25 minutes
Formula Used:
Speed =
To convert m/min to km/h, multiply by 60/1000.
Solution:
Calculate the speed in meters per minute:
Speed = = 168 m/min
Convert the speed into km/h:
Speed = 168 × = 168 × 0.06
Speed = 10.08 km/h
Final Answer
So the correct answer is (b)
English
80 Questions
160 Marks
60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishThe speeds of two brothers P and Q are in the ratio of 6:7.P takes 40 minutes more than Q to reach their home. How long does P take to reach home?
A person crosses 4200 m long bridge in 25 minutes. Find his speed in kmph:
Sudha and Kavitha start moving on a bicycle towards each other at 5 am with the speeds of 14 kmph and 16 kmph respectively. They were 45 km apart at the starting point for both. At what time would they meet?
Donald covered 1760 km in 55 hours. Find the speed at which he travelled. (in kmph)
The average height of 39 telecom towers which are arranged in an ascending order is 282 m. If the average height of first 19 telecom towers is 280 m and that of last 19 telecom towers is 284 m, then what is the height of 20th telecom tower? (In m)
The average of 10 numbers is 1125. If each number is increased by 11, what will the new average be?
A train travels from Ahmadabad to Amreli at a speed of 76 km/hr and ret of 78 km/hr. If it takes 154 hours for total travel, then find the Ahmadabad to Amreli. (In km) returns at a speed
A person cycles from hostel to college at a speed of 20 kmph and reaches 13.5 minutes late. If he cycles at a speed of 24 kmph and reaches early by 13.5 minutes, find the distance between hostel and college. (In km)
Three numbers are in the ratio 29:30:31. The smallest number is 2059. Find the difference between the smallest and the largest number.
A flight covers a distance between A and B in 22 hours. If the speed of the flight is reduced by 230 km/hr, then the same distance is covered in 27 hours. Find the distance between A and B.(In km)
Suggested Test Series
Suggested Test Series
