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two friends deepak and rajeev have agreed to meet at a definite spot on a particular day between 9pm and 10pm. the first person to come waits for some time and leaves.If the other one does not turn up by that time.If Deepak comes first,he waits for 45minutes and if Rajeev comes first,he waits for 15minutes.What is the probability of meeting between Deepak and rajeev if their arrival times are independent of eachother and each person arrives during the indicated period at random?
a. 3/4 b. 11/16 c. 7/8 d. 3/16

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TCS Other Question

in how many possible ways you can write 3240 as product of 3 positive integers a, b, c .
a 450
b 420
c 350
d 320
two consecutive numbers are removed from the progression 1,2,3...n. The A>M of the remaining numbers is 26 1/4.the value of n is:
a)50
b) 81
c) cannot be determined
d) 60