1).sum of two natural numbers is 8 & the sum of their reciprocal is 8/15 then the numbers are :
a).3 & 5, b).6 & 2 ,c).7 & 1 ,d).4 & 4.
2) julie can type a manuscriptt in 4 hours.pat takes 6 hours to type the same manuscriptt.if julie & pat begin working together at 12 noon,at what time will they complete the typing of the manuscriptt.
a) 2.24pm, b).2.30pm, c).2.40pm, d).3.00pm.
3).probability that a random variable x following poisson distribution would assume a positive value is 1-e^-2.7.what is the mode of the distribution?
a).2, b).3 ,c).4, d).5.
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