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Let speed of boat in still water and speed of boat in upstream be ‘12x’ km/h and ‘7x’ km/h, respectively. Speed of stream = 12x – 7x = 5x km/h Speed of boat in downstream = 12x + 5x = 17x km/h So, 17x = 340/5 = 68 Or, x = 4 Speed of boat in still water = 12 × 4 = 48 km/h Desired time = 16/48 = 20 minutes
In a certain code 'opl bgs ser' means 'differences should be', 'ser cax qxb' means 'be resolved manner' and 'bgs pls cgt' means 'resolved should experie...
How many such pairs are there in the word ‘ KLING ’ each of which has many letters between them in the word as they have between them in the English...
Which of the following software program which can replicates itself (even without human intervention) without altering any files on your machine but dam...
In this questions relationships between different elements is shown in the statements. These statements are followed by two conclusions. Give answer ...
Five friends K, B, I, H and E are sitting in a straight line all facing in the north direction. K is sitting at one of the extreme ends. Three people ar...
Brother, Uncle, Father
Interpreter is used with which of the following language?
P is 30 meter to the North of Q. R is 26 meter to the West of Q and 10 meter to the West of S. T is 40 meter to the South of S. T is 20 meter to the Eas...
"Roger Federer" is related to "Tennis" in the same way "Michael Phelps" is related to _____.