the difference between a positive fraction and its reciprocal is ^{9}/_{20} find the sum of that fraction and its reciprocal

4120

1720

1120

920

Correct Answer : A

01-Jan-2007 was Monday. What day of the week lies on 01-Jan-2008?

2 + 22 + 222 + 2.22 = ?

Which one of the following cannot be the square of natural number ?