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The rate at which pipe A fills the tank is 1/12 tank/hour. The rate at which pipe B fills the tank is 1/15 tank/hour. In the first 6 hours, pipe A will fill: (6 × 1/12) = 1/2 of the tank. Now, pipe A and pipe B are working together to fill the remaining 1/2 of the tank. The combined rate of pipes A and B is: 1/12 + 1/15 = (5 + 4) / 60 = 9/60 = 3/20 tank/hour. Time taken to fill the remaining 1/2 tank is: (1/2) / (3/20) = 10/3 hours = 3 hours 20 minutes. So, the total time taken = 6 + 3 hours 20 minutes = 9 hours 20 minutes. Correct Option: d
Three of the following four number-pairs are alike in a certain way and one is different. Find the odd one out.
Three of the following four number-pairs are alike in a certain way and one is different. Pick the odd number-pair out.
Five boxes R, S, T, U and V are kept one above another. R is kept two boxes above V. T is kept immediately above R. No box is kept between T and S. Whic...
Q is related to S in a way, R is related to U in the same way then which of the following is related to O in the same way?
In a code language, THROUGH is written as IHVPSIU. How will PATRICK be written as in that language?
A man walks 3 km south and then turns to the right. After walking 8 km he turns to the left and walks 4 km. In which direction from the starting point i...
Mahesh ranked 17th from the top and 31th from the bottom among those who passed an examination. 5 boys did not participate in the competition and 4 fail...
In each question below are given three statements followed by three conclusions numbered I, II and III. You have to take the two given statements to be...
Select the odd word from the given alternatives.
In the following figure, square represents Doctor, triangle represents Lawyer, circle represents Teachers and rectangle represents Indians. Which of set...
