Maymensingh divisional 2014 Q.no.- 4
Posted: Sat Dec 12, 2015 7:27 pm
In the given diagram a square is marked with circle. Which number will be inside the square 100th position upper than this one?
first term, a = 7
common difference, d = 8
number of term, n = 100
a + (n - 1)*d = 7 + (100 - 1)*8 = 7 + 99*8 = 7 + 792 = 799
in 800th position, 5 is situated
therefore in 799th position 4 is situated.
ans is 4