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Let the efficiency of pipe 'Q' be '5a' litres/hour. So, efficiency of 'P' = 0.6 X 5a = '3a' litres/hour Total capacity of given tank = (3a + 5a) X 4 = '32a' litres Capacity of the tank to be filled by pipe 'Q' = 1.5 X 32a = '48a' litres New efficiency of pipe 'Q' = 0.8 X 5a = '4a' litres/hour Required time = (48a/4a) = 12 hours
Select the option figure in which the given figure (X) is embedded (rotation is NOT allowed).
A, B, C, D, E, F and G are sitting in a straight line facing north. C sits third to the right of B. A sits second to the right of C. G is an immediate n...
Look at the following sequence of symbols to find the pattern. Select the symbol which completes the correct pattern:
Three of the following number-pairs are alike in some manner and hence form a group. Which number-pair does not belong to that group?
(NOTE: Oper...
104 is related to 13 following a certain logic. Following the same logic, 136 is related to 17. To which of the following is 232 related, following the ...
Select the option that is related to the third word in the same way as the second word is related to the first word.
Resistance : Ohm :: Angle : ?
Choose the next number in the series.
15, 46, 77, 108, 139,?
In a certain code language, INDUS is coded as 03865 and TENNIS is coded as 243305. How will STUDENT be coded as in that code language?
Which of the following assumptions of the given statement is valid?
Statement:
They will be leaving in an hour, but now I have to rememb...
Given below is a statement followed by some conclusions. You have to take the given statement to be true even if it seems to be at variance with the co...