If the sum of a number and its reciprocal be 2, then the number is
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The angle of elevation of an aeroplane from a point on the ground is 45°. After flying for 15 seconds, the elevation changes to 30°. If the aeroplane is flying at a height of 2500 metres, then the speed of the aeroplane in km/hr. is
What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.DAF, FED, HIB, ?
Which Indian won the 2017 French Open Super series tournament?
Find the odd one out.
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
E, I, M, ?, U, Y
Which of the following represents the CORRECT scheme of sub-groups at various levels in classification?