Progression (Sequence and Series)Hard
Question
The number of terms in the sequence 1,3, 6,10, 15,21,...., 5050 is-
Options
A.50
B.100
C.101
D.105
More Progression (Sequence and Series) Questions
For a continuous series, the mode is computed by the formula...The S.D. of 15 items is 6 and if each item is decreased by 1, then standard deviation will be-...An automobile driver travels from plain to a hill station 120km distant at an average speed of 30 km.per hour. He then m...1 + 2(1 + 1 / n) + 3 (1 + 1 / n)2 + ... ∞ terms, equals-...If x,y,z are in G.P. then x2 + y2, xy + yz, y2 + z2 are in -...