gUYS, ALL OF U R RIGHT, BUT I HAVE A SMALL AND EFFECTIVE WAY OF ANSWERING THIS. LOOK AT THE BELOW FIGURE
nOW LENGHT OF EACH LINE IS SAME AS BC WHICH IS EQUAL TO 8.4 CMS
sO THE ANSWER IS SIMPLY 6X8.4/2 =25.2
i HOPE ALL OF U GOT THIS.
gUYS, LITTLE BIT BUSY IN THE LAST TWO DAYS,
Any way here comes our next set of queries
1. Find the total no. of different mixed doubles tennis games that can be conducted among 7 married couples, if no husband and wife play in the same game.
2. Find the total no. of ways in which a black square and a whit square can be selected from a chess board such that neither of them lie in the same row nor in the same column.
3. Find the total of only rectangles on a 5X5 square board.
4. There are 18 stations in between two stations A and B. Find the total no. of different second class tickets to be printed so that a passenger can travel from one place to any other place.
5. In an infinite GEOMETRIC PROGRESSION each term is equal to sum of the all its following terms. Find the common ratio.
6. A father has 6 children. He takes every 3 out of them to a park everyday with no 3 being repeated.
a. How many times does father go to the park? (in one complete cycle)
b. How many times does each child go to the park?(in one complete cycle)
Guys, I'll hold myself here for today. U people be on this job.