A pipe can fill a sump with water in 2 hours. Because of a leak, it took 2 2/3 hrs to fill the sump. The leak can drain all the water of the sump in
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The 4th term of an arithmetic progression is 15, 15th term is -29, find the 10th term?
The product of two numbers is 40. One of them is 2.50. What is the other number?
The side of an equilateral triangle is 8 cm. Find its area (in cm2).
The diagonal of a square is 10√2 cm, find its perimeter?
A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?
If ΔABC is an equilateral triangle of side 16 cm, then the length of altitude is
A train moves at a speed of 35 m/sec and crosses a tunnel of length 960 metres, in 40 seconds. What is the length (in metres) of the train?