Speed of train ‘A’ = 84 × (5/18) = (70/3) m/s Length of train ‘A’ = (70/3) × 12 = 280 metres Length of train ‘B’ = 0.4 × 280 = 224 metres Speed of train ‘B’ = (224/21) × (18/5) = 38.4 km/h
A person is to reach a destination 40 km away. If he covers the first 25 km in 4 hours then at what constant speed should he go so that the average spee...
The line connecting place of equal temperatures is:
Consider the following statements :
1.     About 1500 years ago, there were two large kingdoms in South India, those of the Pallavas and th...
A ray of light hits a mirror and is reflected. If the mirror rotates by an angle 10° in one direction, then the reflected ray will rotate by
Certain portions of the constitution may be amended by:
Consider the following statements :
1.     Kerala as well as Ladakh regions were influenced by Chinese and Arab traders.
2.    Â...
Who won the fifth edition of the Indian Premier League?
Who is known as Nightingle of India'?
The basic teachings of which amongst the following sects/religions are contained in the maxim "Good Thoughts, Good Words and Good Deeds."
Lightning is seen before thunder because
