Question
Which symbol is used to redirect the standard output of
a command to a file, appending the output to the end of the file if it already exists?Solution
`>>`
‘A’ and ‘B’ started moving towards each other at same time with a speed of 23 km/hr and 24 km/hr, respectively. If the distance covered by ‘A�...
The combined cost price and marked price of Watch 'A' amounts to Rs. 11,000, while for Watch 'B', the total is Rs. 13,400. Watch 'A' is marked 20% above...
A boat travels 600 metres against the stream in 20 seconds and returns the same distance with the stream in 15 seconds. Determine the speed of the boat ...
- Due to walking at (3/4) of his normal speed, a boy reaches school 18 minutes late. What is the time he normally takes to go to school?
A boat can travel 30 km downstream in 45 min. The ratio of the speed of the boat in still water to the speed of the stream is 5: 3. How much time will t...
Amit walks for 2 hours at a speed of 's' km/hr, and then his speed increases by 25 km/hr, covering the remaining distance in 3 hours. If Amit's speed ha...
P can run 1km in 5 minutes 10 seconds and Q in 5 minutes 20 seconds. How many meters start can P give Q in a kilometer race so that the they both reach ...
A thief is spotted by a policeman from 800m. When the policeman starts chasing, the thief also starts running. If the speed of the thief is 32km/h and t...
- Find the total surface area of a sphere whose radius is 18 cm.
A bike covers 60 km with a speed of 20 km/hr. Find the speed of the bike for the next 50 km journey so that the average speed of the whole journey will ...