In the following figure series, select the figure which can be placed at the sign of question mark (?) from the given alternatives.
Show answer & explanation
Correct answer: A
Explanation
The pattern is based on number of arcs: 1, 3, 6, 10
Difference: +2, +3, +4 ⇒ next +5
Next = 10 + 5 = 15 arcs
Thus the correct figure is option one.
Correct Answer: 