Question
A man travels some distance at a speed of 32 km/hr and
returns at a speed of 24 km/hr. If the total time taken by him is 2 hrs 20 min, the distance isSolution
Let the distance travelled by a man be D km According to the question, Total time taken = 2 hrs 20 min = 2(20/60) = 7/3 hours Total time = T1 + T2 D/32 + D/24 = 7/3 (3D + 4D)/96 = 7/3 7D/96 = 7/3 D = 32 km
More Time and distance Questions
The most abundant constituent of atmospheric air is
When water itself combines chemically with some element or mineral it is calledÂ
The particle required to continue the chain process of Uranium fission is:
When a spoon is to be electroplated with nickel the spoon is
“Firefighting clothes” are made from
Ozone layer is present in
Burning pyrites ore gives outÂ
One property of ammonia isÂ
Spirit in contact with body gives cool sensation because it is:
Which one of the following is not a greenhouse gas?Â
Relevant for Exams:
