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Let the speed of the boat in still water and the speed of the current be ‘x’ km/hr and ‘y’ km/hr, respectively Upstream speed of the boat = (x – y) = 120/12 = 10 km/hr Or, 15 – y = 10 Or, y = 15 – 10 = 5 km/hr Therefore, downstream speed of the boat = 15 + 5 = 20 km/hr Required time taken = 120/20 = 6 hours
How many such pairs of letters are there in the words ‘COMPLIMENTS’ each of which has as many letters between them in words (both in backwar...
If the consonants of the following words are arranged first, followed by the vowels as per the English alphabetical order and then the consonants are ch...
If third letter from the left end of each word from each group is to be considered, then which among the following group of words can make at least one ...
If all the alphabets of the word ‘CONTRIBUTE’ are interchanged i.e. first and last, second and second last and so on, then which alphabet fourth to ...
If the consonants of the following words are arranged first, followed by the vowels as per the English alphabetical order and then the consonants are ch...
Each vowel in the word "NERVOUS" is changed to the following letter in the English alphabetical series and each consonant is changed to the previous let...
How many such pairs of letter are there in the word INGREDIENTS, each of which has as many letters between them in the word as in the English alphabet?
If all the digits of the number 6878878436357 are decreased by 2, after that all the digits are arranged in descending order from the left end, then wha...
What would come next in the following letter series?
DWP, FUR, HST, JQV, _
After interchanging × with ÷ , and 7 with 4 , which of the following equations becomes correct?
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