Which is greater: √45 or √49 - 1?

Out of the given fractions 4/9, 5/7, 11/13, 13/17, which one is the largest?

A number X lies between 0 and 1. Which of the following is true?

One fourth of the sum of the odd numbers greater than 14 but less than 50 is the square of -

Which of the following fractions is the largest: 4/5, 7/8, 6/7, 5/6?

Which of the following fraction sets is arranged in descending order?