If  $$\sqrt{2}=1.414$$, the value of $${ \sqrt{2}-1\over\sqrt{2}+1}$$  is nearest to 

The perimeter of two squares are 24 cm and 32 cm . The perimeter (in cm) of a third square equal in area to the sum of the areas of these squares is: 

What is the equation of the line whose y-intercept is -3/4 and making an angle of 45 ° with the positive x-axis? 

If x, y are two positive real number and  $$x^{1/3}=y^{1/4}$$, then which of the following relations is true?

Among three numbers, the first is twice the second and thrice the third. If the average of the three numbers is 49.5, then the difference between the first and the third number is: 

When the integer n is divided by 7, the remainder is 3. What is the remainder if 5n divided by 7?

The largest number of five digits, which is a perfect square is 

The following pie chart gives the measures of the central angles of the sectors that reflect the number of beds in each of 7 different hospitals with respect to the total number of beds in these 7 hospitals taken together.
 
 

If the number of beds in H7 are 39, then what is the total number of beds in all the 7 hospitals taken together?