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Product of two numbers = HCF of two numbers X LCM of two numbers ATQ; 2700 = 15 X LCM Or, LCM = (2700/15) = 180 Required LCM = 180
‘A’ and ‘B’ started moving towards each other at same time with a speed of 16 km/hr and 14 km/hr, respectively. If the distance covered by ‘A�...
Naveen walking at a speed of 15 km/h reaches his office 20 minutes late. Next time he increases his speed by 5 km/h, but he finds he is still late by 5 ...
A boy goes to school with a speed of 45 km/h and comes back with a speed of 30 km/h. find his average speed?
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 27.5 m/s. Train Q starts from Dehradunto Lucknowat 1:35 pm with an average ...
If a bus travel 20 km in 15 minute then how much time take if speed is decrease by 20 km/h?
A boy goes to his school at 1/6th of the speed at which he returns from his school. Average speed during the whole trip (i.e. one round) is 36 km/h. Wha...
Two cars ‘Alto’ and ‘Swift’ starts at the same time from Dehradun and from Delhi, individually towards each other at a speed of 40 km/hr and 30 ...
A car travels a distance of 810 meters in 36 seconds. If the speed of the car is reduced by 4.5 meters per second, how much time (in seconds) will it ta...
A boy goes to school with a speed of 70 km/h and comes back with a speed of 30 km/h. find his average speed?
A car covers its journey at the speed of 80 km/hr in 10 hours. If the same distance is to be covered in 4 hours, by how much the speed of the car will h...
