If `x %\ of\ 500=y %\ of\ 300\ a n d\ x %\ of\ y %\ o\ f200=60 ,\ the n\ x=?` a.`10sqrt(2)` b. `15sqrt(2)` c. `20sqrt(2)` d. `30sqrt(2)`

Rajul's factory kept increasing its output by the same percentage every year.Find the percentage if it is known that his output is doubled after two years 100sqrt(2)% b.100(sqrt(2)-1)% c.100(sqrt(2)+1)% d.50(sqrt(3)-1)%

If y=5, then what is the value of 10y sqrt(y^(3)-y^(2))?50sqrt(2)(b)100(c)200sqrt(5)(d)500

40 % of 4. 5+? % of2/3=20 % of 10 20 b. 25 c. 30 d. 35 e. none of these

If sqrt(x+y)+sqrt(y-x)=c , then (d^2y)/(dx^2) =

sqrt(x+y)+sqrt(y-x)=c , then (d^2y)/(dx^2) equals

The area bounded between the parabolas x^(2)=(y)/(4) and x^(2)=9y and the straight line y=2 is (1)20sqrt(2)(2)(10sqrt(2))/(3) (3) (20sqrt(2))/(3) (4) 10sqrt(2)

If x-(2)/(sqrt(10)-sqrt(8)),y-(2)/(sqrt(10)+2sqrt(2)) , then (x-y)^(2) =

The area bounded between the parabolas x^2=y/4"and"x^2=9y and the straight line y""=""2 is (1) 20sqrt(2) (2) (10sqrt(2))/3 (3) (20sqrt(2))/3 (4) 10sqrt(2)

If 8% of x=4% of y, t h e n 20 % of x is a.10 % of y b. 80 % of y c. 16 % of y d. none of these

45% of 300+sqrt(?)=56% of 750-10 % of 250 a.60 b. 130 c. 260 d. 67600