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More Mathematics Questions
A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 8 times?
If secθ + tanθ = 2 + $$\sqrt 5 {\text{,}}$$ then the value of sinθ + cosθ is?
Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern?
The perimeter of a rectangle is 60 metres. If its length is twice its breadth, then its area is :
The lines 2x + y = 5 and x + 2y = 4 intersect at the point?