First Indian woman to get Bharat Ratna.
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Thumba in Kerala is famous because ___.
An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
One of the roots of the equation x2 - 4x + k = 0 is x = 3. The other root 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?
The interest earned on Rs. 3675 at the rate of 4% simple interest per annum for 2 years will be
The radius of a hemisphere is 14 cm, find its volume?
Two pipes can fill a cistern in 28 and 21 hours respectively and an another pipe can empty 30 gallons of water per hour. All the three pipes working together can fill the empty cistern in 84 hours. What is the capacity (in gallons) of the cistern?
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