Total students in A = 500 Total students in E = 500 + 30% of 500 = 500 + 150 = 650 Total teachers in C = 20 Total teachers in E = 20 + 40% of 20 = 20 + 8 = 28 Total teachers and students in E = 650 + 28 = 678
(a+2 )² + (b-5)² + (c+3)² = 0
Find the value of√ (a + b + c)?
...If (x2 + y2) = 9 and (xy)2 = 3, then find the value of (x4 + y4).
If 1/(x+ 1/(y+ 1/z)) = 13/30, then find x+y+z= ?
If x ,y,z are three integers such that x +y = 8,y +z =13 and z +x =17,then the value of x2 /yz is:
If the length of a rectangle is increased by 40%, and the breadth is decreased by 20%,then the area of the rectangle increases by x%. Then the value of ...
If A = (7)1/3 + (7) -1/3, then the value of {3A3 – 9A} will be:
3x +3y =10 and 3x+y =5 then find the value of 3x-y +3y-x.
If 4x + 1/3x = 12 then find the value of 9x2 +1/16x2.
If x = √7 + √6 and y = √7 - √6 , then the value of is (x2 + y2)/(x3 + y3).
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