1.

25. The value of the sum in the 50th bracket ofis(1) (2 3 + 4) (5 6+7 8 9) +.1) 652253) 556252) 562554) 242649

Answer»

up to 49 brackets, number of numbers covered will be1+2+3+...+49= 49*50/2= 1225

50th bracket will have numbers 1226,1227,.......1275 (50 numbers)

sum of these 50 numbers will be (50/2)*(1226+1275)= 26*2501=65225



Discussion

No Comment Found

Related InterviewSolutions