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Let, the speed of boat be b km/hour and speed of current be s km/hour Average speed = 2xy/(x+y) (here, x is speed of downstream and y is speed of upstream) = (2 (b+s)(b-s))/((b+s+b-s)) = (b2-s2)/b = (225-25)/15 = `13 1/3` km/hour
14. A) Tantamount B) Natural C) Serious D) Equal
Select the most appropriate antonym of the given word.
He is showing signs of senility .
Fill in the blanks with the appropriate antonym of the word in Italic from the options given:
His audacity surprised everyone, but his collea...
The __________ wore a gold armor and fought bravely.
choose the word opposite in meaning to the given highlighted word.
Even though G-20 countries had disagreed on some issues, they ended their ...
Select the most appropriate synonym of the given word
STRENGTH
In the following question select the answer pair that expresses a relationship most similar to that expressed in the capitalised pair.
WOUND :...
Select the most appropriate ANTONYM of the given word.
Liability
Select the most appropriate synonym of the given word.
Apposite