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Grade: 12th pass
        
In a sequence 1,2,2,3,3,3,4,4,4,4......., where n consecutive terms have the value n, the 150th term is
(a) 17
(b) 16
(c) 18
(d) none of these
one year ago

Answers : (1)

Deepak Kumar Shringi
askIITians Faculty
4399 Points
							look to find 150 term here 1 is ocurring at one 2 at twice and so on in this way
sum of them will be =1+2+3+4+5+6....
=n(n+1)/2 and 150 should be equal to this
150=n(n+1)/2
n=approx 17
so number is 17
one year ago
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