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15 tennis players take part in a tournament. Every player plays twice with each of his opponents. How many games are to be played?
If the data is for 10 bogies and for every 2 bogies added speed decreases by 5% what will be the speed after 5 hrs.
Adam stands facing towards northwest direction.He walks 61 m and then turns southwards and walks another 60 m. How far is he from the starting point.?
Two distinct no's are taken from 1,2,3,4......28. Find the probability that their sum is less than 13
In a certain college, 20% of the boys and 40% of the girls attended the annual college outing. If 35% of all the students are boys, what percent of all the employees went to the outing?
A chain is broken into three pieces of equal lenths containing 3 links each. It is taken to a backsmith to join into a single continuous one . How many links are to to be opened to make it ?
What is the smallest number by which 4880 must be divided in order to make it into a perfect square ?
Three friends divided some bullets equally. After all of them shot 4 bullets the total no.of remaining bullets is equal to that of one has after division. Find the original number divided.
Cost of an item is Rs 12.60 ,profit is 10% over selling price.
write a program that prompts the user to enter three sides of a triangle and prints whether it is a right triangle or not.
If wind flows 160 miles in 330 min, for 80 miles how much time required.
When Raja was born, his father was 32 years older than his brother and his mother was 25 years older than his sister. If Raja’s brother is 6 years older than Raja and his mother is 3 years younger than his father, how old was Raja’s sister when Raja was born?
A can have a piece of work done in 8 days, B can work three times faster than the A, C can work five times faster than A. How many days will they take to do the work together ?
Hansie made the following amounts in seven games of cricket in India: Rs.10, Rs.15, Rs.21, Rs.12, Rs.18, Rs.19 and Rs.17(all figures in crores of course).Find his average earnings.
For 1:2:4 ratios the weight of cement is 50 kg then how many kg are the weight of sand and aggregate?