Let B can empty the tank in = 15 x 2 =30 minutes Let the capacity of a tank be LCM of (25,30)=150 Pipe A efficiency = 150/25 = 6 units/min Pipe B efficiency = 150/30 = 5 unit/min Therefore, required time to fill (80/3)% of the tank when both pipes are opened together is = (4/15) x 150/(6-5) = 40 minutes
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In the given number ‘453976394’ if ‘2’ is subtracted from each odd number and ‘2’ is added to each even number then how many digits are rep...
How many pairs of letters are there in the word ‘GOVERNOR’ which has as many letters between them in English alphabetical series (both in forward an...
If all the prime digits of the number 7584969684 are written first (in increasing order) followed by even digits(in increasing order) and then odd digit...
If the number ‘64893875’, One is subtracted in odd digit and one is added in even digit of the number then numbers are arranged in ascending order f...
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How many such pair(s) of letters are there in the word ‘COMBINED’ which has as many letters between them as in the alphabetical series?
