Question
A person travels a distance of 60 km, some distance he
travels by bus and rest of the journey by walking, then he takes 4 hours and 20 minutes. If he had taken bus for the whole journey, then he would have saved 1 hr 20 minutes. Calculate the speed of bus?Solution
Total distance = 60 km When he travels some distance by bus & some by walking, he takes = 4hr 20 Min But if he travels Whole journey by the Bus, he saves 1hr 20 min means 4hr 20 min - 1hr 20min Speed = Distance/ Time = 60/3 = 20 km/hr.
The chemical name of the Vitamin B6 is
Which bacterium is responsible for causing peptic ulcers?
Which human organ is affected by 'Xerophthalmia'?
Which vein carries oxygen-rich blood from the lungs to the heart?Â
Which type of drainage pattern is characterized by streams that resemble branches of a tree?
To which kingdom does Amoeba belong? Â
Study of cells is called?
Which dance form known as Brita or Vrita is traditionally performed in West Bengal after recovering from a disease?
Which one of the following amino acids is present in foods rich in proteins?
What are the small openings on the surface of plant leaves called?
