If 25% of `x` is 100, then `x=` (a) 100 (b) 200 (c) 300 (d) 400

If 2/5 of 50% of x is 10, then x= (a) 100 (b) 50 (c) 25 (d) 80

If 25% of x is 100, then x=100(b)200300 (d) 400

If 5/6 of 29% of x is 29, then x= (a) 290 (b) 58 (c) 120 (d) 100

If 1/5-1/6=4/x , then x= (a) -120\ (b) -100 (c) 100 (d) 120

If 1/5-1/6=4/x , then x= -120\ (b) -100 (c) 100 (d) 120

If the sides of a square be doubled find the increase of percentage in area. (a) 100% (b) 200% (c) 300% (d) 400%

If the radius of a circle is doubled, its area is increased by (a) 100% (b) 200% (c) 300% (d) 400%

If every side of a triangle is doubled, then increase in the area of the triangle is 100sqrt(2)\ % (b) 200% (c) 300% (d) 400%

If x=100 , then 120% of x is (a) 125 (b) 115 (c) 120 (d) 110

If the breadth of a rectangle is decreased by 50%, then to double the area, its length is required to be increased by (a) 150% (b) 200% (c) 300% (d) 400%