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The crew of a rowing team of 8 members is to be chosen from 12 men (M1, M2, …., M12) and 8 women (W1, W2,…., W8), such that there are two rows, each row occupying one the two sides of the boat and that each side must have 4 members including at least one women. Further it is also known W1 and M7 must be selected for one of its sides while M2, M3 and M10 must be selected for other side. What is the number of ways in which rowing team can be arranged.
A person has to go both Northwards&Southwards in search of a job. He decides to go by the first train he encounters.There are trains for every 15 min both southwards and northwards.First train towards south is at 6:00 A.M. and that towards North is at 6:10 .If the person arrives at any random time,what is the probability that he gets into a train towards North.
A vegetable seller sells his vegetables at the rate of Rs. 9 kg and thereby incurs a loss of 20%. If he had to make a profit of 5%, at what price per Kg should he sell his vegetables?
The average of 13 papers is 40. The average of the first 7 papers is 42 and of the last seven papers is 35. Find the marks obtained in the 7th paper?
(998-1)(998-2)(998-3).....(998-n)= ? when n>1000
In a journey of 15 miles two third distance was travelled with 40 mph and remaining with 60 mph.How much time the journey takes...
A person needs 6 steps to cover a distance of one slab. if he increases his foot length(step length) by 3 inches he needs only 5 steps to cover the slabs length. what is the length of the each slab.
Average of 5 number is -10 sum of 3 numbers is 16,what is the average of other two numbers?
A finishes the work in 10 days & B in 8 days individually. If A works for only 6 days then how many days should B work to complete A's work?
Hi, Can anybody please send me the last year question papers of Oriental Bank of Commerce PO exam. My email ID is: yamini.friend14@gmail.com Thanks.
Conversation between two mathematicians: first : I have three children. The product of their ages is 36 .. If you sum their ages . it is exactly same as my neighbour's door number on my left. The second mathematician verifies the door number and says that the not sufficient . Then the first says " o.k one more clue is that my youngest is the youngest" Immediately the second mathematician answers . Can you answer the question asked by the first mathematician? What are the children ages?
Find the value of (1.99)2
A sales person multiplied a number and get the answer is 3, instead of that number divided by 3. What is th answer he actually has to get? 1/3
If 12 box containers require 18 feet of wall space, how many feet of wall space will 30 box containers require?
A family has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?
