A train leaves station A towards station B,24 km away and has to reach B in half an hour .if travels at 45 km/hr for the forst quarter of an hour ,at what speed must it run for the rest of the journey.
A car leaves the starting point at 11:00 a.m. travelling at 60 km/hr . Another car leaves the starting point at 2:00 p.m. travelling in the same direction at 65 km/hr. When will the second car overtake the first.
white and black Birds r sitting in a telephone wire.At least one from white and one from black.Color must repeat after every 4 and 7 birds. What is the max no of arrangement.
There r some balls of five different colors in a box. 10 of each color. How many balls u have to take out to ensure that there r atleast 3 balls of the color.
there is a slowrun express tht runs btw bangalore & mum bai...it starts at 10.00pm & reaches destination @ 11.30 pm 3 days later...the train is operated on all days...if the train starts from bangalore , how many other slowrun expresses will it meet on the way..b4 reaching mumbai....???
The wonder is not that mathematics describes the world so well but that it describes it at all.
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"The gaming of numbers is called maths.So participate in this wonderful game and explore in it,learn in it and enjoy in it.Then only you can pass in this wonderful game."