Question
A boat's speed in still water allows it to cover 120 km
in 8 hours. The current's speed is 20% of the boat's speed. How long will it take the boat to travel 96 km upstream against the current?Solution
Speed of the boat in still water = 120 á 8 = 15 km/h Speed of current = 15 Ă 0.2 = 3 km/h Therefore, upstream speed of the boat = 15 â 3 = 12 km/hr Required time taken = 96 á 12 = 8 hoursÂ
Which of the following banks has launched “Salute Doctors” on the National Doctors Day which is held on 1st July every year?
Who assassinated Michael O'Dwyer to avenge the Jallianwala Bagh Massacre?
Consider the following statements in relation to Biosphere Reserves:
1. Initiated by UNESCO in 1973-74 under its Man and Biosphere (MAB) Programm...
Which one of the following Islands, is known as ârice bowlâ of Japan?
Which organization developed the 'Akashteer Air Defence System'?
Which of the following is not correct about ARR method?
Miraj, known for its GI-tagged 'Sitars' and 'Tanpuras,' is in which Indian state?
In regards to Mountains in Uttarakhand, which of the following is not correctly matched?
Which type of soil is known for providing valuable building material?
The Equator is an imaginary line which passes through which of the following countries?
a) Uganda
b) San Sao Tome and PrĂncipe
c) ...
Relevant for Exams:
