5 Questions
The variance of 1, 0, 1 and 0 is
0.25
. In a town, the temperature recorded at different time slots on a certain day in degree centigrade are 32, 35, 37, 39, 41, 41, 39, 37 and 36. The median of the given observations is
37
. If the arithmetic mean of 10, 20, 30, 40, 50, …, 180, 190 and 200 is 105, then the arithmetic mean of 20, 40, 60, 80, 100 …, 360, 380 and 400
210
. If (7x+25)/((x+3)(x+4))=4/(x+3)+B/(x+4), then the value of ‘B’ will be.
2
.. An improper rational fraction can be reduced by division to a:
Polynomial + Proper Rational fraction
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