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5511.A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is?
5512.3 pumps, working 8 hours a day, can empty a tank in 2 days, How many hours a day must 4 pumps work to empty the tank in 1 day?
5513.A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?
5514.The population of a town increases every year by 4%. If its present population is 50,000, then after 2 years it will be _____?
5515.12 men water the field in 9 hours. How many men will be required to water the same field in 4 hours?
5516.If log3 (4x + 3) = 3, find the value of x?
5517.There are two numbers such that the sum of the first and three times the second is 53, while difference between 4 times the first and twice the second is 2. What is the first number?
5518.If you add up the numbers 1 - 200 consecutively (1+2+3+4+5 ..... + 200) the total is?
5519.If 6x² - 17x + 12 = 0, then the solutions are?
5520.Find the value of k so that the sum of the roots of the equation 2x² + kx + 6 = 0 is equal to four times the product of its roots?