Question
If x = 7 + 4√3 and xy = 1, then the value of
(1x2+1y2)(1x2+1y2) is -Solution
The correct answer is D
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John does ½ piece of work in 3 hours, Joe does ¼ of the remaining work in 1 hour and George finishes remaining work in 5 hours. How long w...
Suraj is one third as good as workman as Pankaj and together they finish a piece of work in 36 days. The number of days taken by Suraj alone to finish t...
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