Question
When travelling downstream, a boat takes 5.25 hours to
travel 252 km. If the speed of the stream is (3/8)th of downstream speed of the boat, then find the time taken by the boat to cover 300 km in still water.Solution
Downstream speed of the boat = 252/5.25 = 48 km/hr Speed of the stream = 48 x (3/8) = 18 km/hr So, speed of the boat in still water = 48 – 18 = 30 km/hr Required time taken = 300/30 = 10 hours
A particular State in India has the following characteristics:Â
1. It is located on the same latitude which passes through northern Rajasthan.
Consider the following pairs:Â Â
Place of Pilgrimage   Location
1. Srisailam         Nallamala Hills
2. Om...
Arrange the following North-Eastern hills in order starting from North to South:
1. Lushai Hills
2. Manipur Hills
3. Patkai Bum
...Which of the following regions are separated by Malda fault?
Which river rises in the Indian Himalayas?
 Which of the following is/are the features of wet tropical evergreen vegetation?
1. Dense Forest with thick spread of grass.
2. Low vege...
Which of the following is/are the reasons behind the occurrence of dry spells of monsoons?
1. Less frequency of rain-bearing storms along the Int...
Consider the following pairs:
Which of the pairs give...
The World Deepest trench ‘Mariana Trench’ is found in
How many States in India are Landlocked?Â
