Question

7,17,54,?,1098,6591,find the missing. Number

Answer 1

Here in this puzzle 7 is the first number, 17 can be expressed as 2x7+3, 54 can be expressed as 3x17+3, 6591 can be expressed as 6x1098+3, thus the question clearly depicts that the answer would be 4x54+3=219.

This kind of puzzle is quite useful for winning the competitive exams.