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According to the question: Let the speed of the boat in still water = x km/h Speed of the boat downstream = (x+12) km/h Speed of the boat upstream = (x−12) km/h According to the question, (x−12):(x+12)=7:10 10(x−12)=7(x+12) 10x−120=7x+84 10x−7x=84+120 3x=204 x=68 km/h
In a certain code language, 'extra soft cream gentle' is coded as '1 4 9 7', 'specially formulated soft' is coded as '0 6 1' and 'gentle dry formulated'...
Which of the following may be the code for ‘from the let’?
In a certain code language, ‘INVITATION’ is coded as ‘JMWHUZUHPM’. How will ‘RECESSION’ be written in that language?
What is the code for “corporate changes”?
In a certain code language, ‘WATER’ is coded as 18520123’, and ‘DEAR’ is coded as ‘18154’. How will ‘BURN’ be coded in that language?<...
What is the code are ‘and you’?
In a certain code language, ‘MASTER’ is coded as '240', and 'LEADER' is coded as '186'. What is the code for 'BRIGHT' in that code language?
In a certain code language, ‘NATURAL’ is coded as ‘RXXRVXP’, then ‘ORANGES’ will be coded as ____ in the same code language.
...Which of the following code for ‘make rapid’?
Which of the following words is coded as “fgt” in the given language?
