Question
In a fixed time, a boy swims thrice the distance along
the current that he swims against the current. If the speed of the current is 4 km/hr, the speed of the boy in still water isSolution
Let the rate of swimming in still water be x km/hr Rate down-stream = (x + 4) km/hr Rate up-stream = (x – 4) km/hr According to the question, (x + 4) t = 3 (x – 4) × t x + 4 = 3x – 12 x = 8 km/hr
Consider the following statements:
(1) The Earth’s magnetic field has reversed every few hundred thousand years.
(2) When the Earth was ...
A book-keeper extracts a trial balance which fails to agree. He places the difference in a/an:Â
What is the rank of the Indian men’s hockey team in the FIH world rankings released in March 2020?
Who became the 1st women president of the Indian Olympic Association?
If 6 * 7 = 2, 3 * 5 = 5, 5 * 8 = 0, then what will be the value of 6 * 8 ?
Which of the following statements are correct in regards to Algo-trading?
- Algo-trading is the use of predefined progr...
The origin of Indian music can be traced to which of the following Vedic Samhitas?
In a certain code language, ‘SUMMER’ is written as ‘FNNSTV’ and ‘WINTER’ is written as ‘FJOSUX’. How will ‘AUTUMN’ be written in tha...
The average height of 50 pupils in a class is 150 cm. Five of them whose average height is 146 cm leave the class, and five others whose average height ...
Consider the following statements about Directive Principles of State Policy:
1. They are fundamental in the governance of the country.
Relevant for Exams:
