f ‘+’ means ‘÷’, ‘−’ means ‘+’, ‘×’ means ‘−’, and ‘÷’ means ‘×’, then what will be the value of the following expression?
Study the given diagram carefully and answer the question. The numbers in different sections indicate the number of persons.
How many such fathers are there who are also movie lovers but NOT engineers?
Two pipes A and B can fill a tank of 1000 litres in 5 hours and 6 hours, respectively. If they are opened together, how many hours will they take to fill an empty tank of 1800 litres?
\( \frac{25}{11} \)
\( \frac{54}{11} \)
\( \frac{45}{11} \)
\( \frac{52}{11} \)
Six doctors, K, L, M, N, O and P, are sitting in a straight line. All are facing the north direction. Only O is sitting between N and L. Only P is sitting between L and K. K sits fifth to the right of M.Who is sitting to the immediate right of M?