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Let total capacity of the tank is 210 litres (LCM of 42 and 30) Quantity of water filled by tap ‘A’ in one hour = 210/42 = 5 litres Quantity of water filled by tap ‘B’ in one hour = 210/30 = 7 litres Let tap ‘A’ is closed after ‘x’ hours So, 12 × x + 7 × (20 – x) = 210 Or, 5x = 70 Or, x = 14 hours
Who among the following person is an immediate neighbour of V?
Which of the following is true?
Who among the following sits second to the left of L?
Who amongst the following likes Indore?
Which of the following statements is not correct?
How many persons are sitting around the circular table?
Who among the following person stands third to the right of N?
Six students are sitting around a circular table facing the centre. K is sitting between H and Z. J is sitting at the second place to the right of H. R ...
If I sits second to the left of J, then how many persons are sitting on the left of I?
How many persons sit in the row?