Wipro Company Numerical Ability Probability

20 persons are invited. In how many ways can they and the host be seated around a circular table such that two particular persons be seated on either side of the host?

a. 18!
b. 2 x 19!
c. 20!
d. 2 x 18!

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Wipro Other Question

20 per cent of the population is affected with measles, x per cent with malaria. 40 per cent of the population has no disease. What per cent of the population has malaria? Assume there is no disease other than measles and malaria.

a. 30%
b. 40%
c. 50%
d. 60% A typist can type a sheet in 5 minutes. Another types at the rate of 10 sheets an hour, and a third typist types 3/4th number of sheets as the second in half the time. Find the average speed per typist per minute.

a. 59/3
b. 37/3
c. 59/360
d. 37/180