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Start learning 50% faster. Sign in nowLet the distance to be travelled be ‘x’ km Time taken when speed is 20 km/hr = (x/20) hours Time taken when speed is 30 km/hr = (x/30) hours According to the question, (x/20) – (x/30) = 2 Or, 3x – 2x = 2 × 60 Or, x = 120 km Time taken to travel 120 km with speed of 20 km/hr = 120/20 = 6 hours Therefore, he started at 12 – 6 = 6 a.m. Therefore, required speed to reach the destination at 11 a.m. or 5 hours = 120/5 = 24 km/hr
Flights leaving Honk Kong were disrupted/ for a second day, plunging the former British Colony/ deeply into turmoil as its stock market/ fell to a seven...
1. Much of these organisms serve as food sources for bigger organisms, like fish.
2. Marine phytoplankton also fixes about half the carbon diox...
Wealthier countries in Europe/ need to do far more when /it comes to stumping up/ proper resources for overseas conservation.
The burglar stole all the money(A)/ in the house but surprisingly missed(B)/ the jewelleries in the locker.(C)/ No error(D)
Several Western policy commentators are aghast (1)/as to why India is unwilling to endure some economic pain (2)/to send a loud and clear message that ...
I. Mumbai has become the first city in India (A)/ to introduced female figures on its traffic lights, (B)/ a move welcomed by campaigners (C)/ as a...
Out of the statements given below, one statement may be grammatically and contextually correct. Choose the correct statement as your answer. If all the...
Identify the segment that contains a grammatical error. If there is no error, select 'No error'.
A year-long march called 'Jai Jagat 2020' carrie...
Some of the crates (A) were the size of small starships, one or two possibly (B) containing a vehicle (C) for travel in the vaccum (D) of space....
