Others Maths Puzzle

Notwithstanding all the struggle and strife looming large, the kings in this region never seem to care less for they never would give a second of their entertainment. In Phrygia for example, a game borrowed from the kings of India, involved the use of women as pieces of the board game. The board was triangular and had n points in the nth line. The women had to be placed such that no two “queens” attacked each other, the same way they would if they were on a chess board (straight and diagonally).
Let g(n) = max no. of queens that could be placed on the n-triangle such that no two queens attacked each other.
Your task is to find the sum of g(n) for 2

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Others Other Question

Two people on cycle are traveling at 10 miles / hour in opposite direction. When they are at a distance of 50 miles, a housefly lands on the first cyclist and then flies to the other at a speed of 16 miles/hour. What is the distance covered by fly? What is the number of zeros at the end of the product of the numbers from 1 to 100?