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Pipes A and B working together, can fill an empty tank in 8 hours. If B is stopped after 2 hours, it will take total 11 hours to fill the tank . How long would it take A to fill the empty tank alone?
What type of Energy is possessed by a stretched rubber band ?
ABC is an equilateral triangle of side 6cm. If a circle of 1cm is moving inside and along the sides of the triangle, then the locus of the centre of the circle is an equilateral triangle of side is ?
Where is the Winter Palace located ?
Which country's national flag is it?
Like a wave frozen in stone, this rock in Western Australia has been shaped by wind and rain. The best part of it is it's absolutely Natural ! It is the most famous tourist attraction.