Out of 10 white, 9 black and 7 red balls, in how many ways
can we select one or more balls
please with solution.
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Can someone please send me the question paper for graduate level both tier 1 and tier 2 with detailed solution of maths exam (Tier 2). Please,suggest me the ways and books to prepare for this exam.Please, send this answer on my email Id
a, b, b, c, c, c, d, d, d, d, . . . . . . Find the 288th letter of this series?
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In a lock of 4 rings there r five characters how many unsuccessful attempts can be made ?
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a man buy a liquid by 12 lts and the mixture is of 20% liquid in water then he makes it in 30% mixture then what is the % of liquid with water.
two trains are 2 kms apart. Speed of one train is 20m/s and the other train is running at 30 m/s. Lengths of the trains are 200 and 300m. In how much time do the trains cross each other?
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C1,C2 upto Cn are n cities in a country.There are some roads connecting these cities.They are connected in such a that Crth city has r distinct routes connecting each of the other city in the country. 1)if n=27,then how many roads are there in a country? 2)if n=4,in how many distinct routes,can a person travel from c3 to c2?
