If $$ {3x+}{2\over {\sqrt{x}}}=1$$ then $$ {x-{\sqrt{x}}}=?$$

The area of a circle, is 3850 sq.m. What will be its circumference?

3 years ago, the ratio of Maya’s and Shikha’s age was 5:9 respectively. After 5 years, this ratio would become 3:5. Find present age of Maya?

Product of digits of a 2-digit number is 27. If we add  54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A helicopter, at an altitude of 1500 metre, finds that two ships are sailing towards it, in the same direction. The angles of depression of the ships as observed from the helicopter are 60° and 30° respectively. Distance between the two ships, in metre is

There are three athletes A, B and C at a same point. A starts running from a point at a speed of 40 m/min. After 5 minutes, B starts running after A with a speed of 50 m/min. Simultaneously, C also starts running after A at 60 m/min. What distance has C covered (in m) when he catches A?

If 1,000 is divided into three parts in the ratio 2 : 3 : 5, find the value of the smallest part.

When a number is divided by 15, 20 or 35, each time the remainder is 8. Then the smallest number is