Prove by the mathematical induction method that 7²n +2³n-³.3n-¹ is divisible by 25for all n€N

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a 100 litres spirit water solution contain 75% spirit. find the amount of water to be added to conve

If principal amount triples itself in 3 years then in how much it takes to to make Principal amount

1.2/3rd of the balls in a bag are blue, the rest are pink. if 5/9th of the blue balls
and 7/8th of t

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Rohan has 1120 pens and he categorized all pens into three types such that he earns a profit of 12%,

To cover a distance a man first goes 3/8 th of the journey by train, 20% of the remaining by bus and

Raman, Naman and Aman are roommates and were given a job to clean their room on Sundays. The job was

you have three dice each side is numbered as 1,2,3,4,5,6 .you have to take a
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