Which of the following is largest fraction amongst $$ {5\over8}$$, $$ {3\over7}$$, $$ {2\over9}$$,  $$ {4\over5}$$?

If the differernce between the reciprocal of a positive proper fraction and fraction itself be$$17\over42$$, then the fraction is:

Find the least number which when subtracted from 10.000327 is a perfect square.

Let p, q and r be the fraction such that p<q<r. If r is divided by p, the result is 5/2, which exceeds q by 7/4. If $$p+q+r=1{11\over12} $$ then what is the value of (r-p)?

Which of the following is equal to 1.41 × 10⁶ ?

Simplify $$ {^3\sqrt {{4} {12\over {125}}}}$$.

Raju ate $$3\over 8$$part of a pizza and Adam ate $$3\over 10$$ part of the remaining pizza. Then Renu ate $$4\over 7$$ part of the pizza that was left. What fraction of the pizza is still left?

What is the value of a when $$ {x^{2(3a+1)}}={x^{3}}$$ ?