Related Questions

The length of each side of square A is increased by 100 percent to make square B. Again the length of each side of square B is increased by 50 percent to make square C. By what percent is the area of square C greater than the sum of the areas of square A and B?
A 75%
B 80%
C 85%
D 90%
In triangle PQR length of the side QR is less than twice the length of the side PQ by 2 cm. Length of the side PR exceeds the length of the side PQ by 10 cm. The perimeter is 40 cm. the length of the smallest side of the triangle PQR is:
A 6 cm
B 8 cm
C 9 cm
D 10 cm
A rectangular plot of land has a fence along three of its four sides. The undenced side and the side opposite the unfenced side have a length that is three times thel length of the other two sides. If the area of the plot is 432 square feet, what is the total length id the fence in feet.
A 60
B 72
C 80
D 90
The length of a rectangle is 6 feet more than the side of a square and the width of the rectangle is 6 feet less than the side of that square. If the area of the square is 64 sq feet, what is the area of the rectangle?
A 20 sq feet
B 30 sq feet
C 40 sq feet
D 28 sq feet
The length of a rectangle is 6 cm more than the side of a square, and the width of the rectangle is 6 cm less than the side of the square. If the area of the square is 86 cm2. what is the area of the rectangle?
A 36 cm2
B 40 cm2
C 50 cm2
D 64 cm2
If the length of each of the sides of three square garden's plots is increased by 50 percent, by what percent is the sum of the areas of the three plots increased?
A 125%
B 150%
C 200%
D 375%
If the length of each of the sides of three square garden's plots is increased by 50 percent, by what percent is the sum the areas of the three plots increased?
A 125%
B 150%
C 200%
D 375%
If the length of each of the sides of three square garden's plots is increased by 50 percent, by what percent is the sum of the areas of the three plots increased ?
A 375%
B 200%
C 150%
D 125%
If the height of a right square pyramid is increased by 12%, by what percent must the side of the base be increased, so that the volume of the pyramid is increased by 28%?
A 3%
B 7%
C 10%
D 36%
The length of a rectangular field F is 3 km greater than the side of a square field M , and the width of field F is 3 km less then the side of field M. If the area of field M is m2 square km, what is the area of field F?
A m2 +6
B 6
C m2 - 6
D m2 +9

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