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A square carpet with an area of 169 cm2 must have 2 cm cut off one of its edges in order to be a perfect fit for a rectangular room. what is the area (in cm2) of this rectangular room ?

A square carpet with an area of 169 cm2 must have 2 cm cut off one of its edges in order to be a perfect fit for a rectangular room. what is the area (in cm2) of this rectangular room ? Correct Answer 143

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A square carpet with an area of 169 cm2 must have 2 cm cut off one of its edges in order to be a perfect fit for a rectangular room. What is the area (in cm2) of this rectangular room?
The average area of 3 square rooms I, II, and III are 1600 square meters. If one rectangular room(IV) area is added then the average area becomes 1400 square meters. If another room V, whose area is 400 square meters more than the IV room, replaces room I, then the average area of II, III, IV, and V room becomes 1350 square meters. Find the area of I room.
The average area of 2 rooms I and II are 400 square meters. If one rectangular room(III) area is added then the average area becomes 500 square meters. If another room IV, whose area is 600 square meters more than the III room, replaces room I, then the average area of II, III and IV room becomes 900 square meters. Find the area of I room.
Last year, there were three sections in a competitive exam. Out of them 33 students cleared the cut-off in Section A, 34 students cleared the cut-off in Section B and 32 students cleared the cut-off in Section C. 10 students cleared the cut-off in section A and section B, 9 cleared the cut-off in section B and section C and 8 cleared the cut-off in section A and section C. The number of students who cleared only one section was equal and was 21 for each section. How many students cleared all the three sections?
Given below are three quantities named 1, 2 and 3. Based on the given information, you have to determine the relationship between the three quantities. You should use the given data and knowledge of Mathematics to choose between the possible answer. Quantity 1: Area of the innermost square. A square is made by joining the midpoints of a square of area 200 sq. m. The outermost square is called Square 1, The square inside it is called Square 2. The next square is made by joining midpoints of square 2 and is called Square 3. This process goes on. Square 5 is the innermost square. Quantity 2: A man starts with a speed of 10 km/hr. He increases his speed by 10 km/hr every hour at the start and drives at the same speed for that hour. If he traveled a total distance of 550 km. Find the time Quantity 3: Height of cylinder Its volume is equal to the volume of a cone whose radius is 14 cm and height is 39.3 cm. The radius of the cylinder is 14 cm
A person wants to decorate the rectangular floor whose length is 30 cm and breadth is 20 cm. In the center, the floor is covered by the square carpet and the rest of the area is covered by the cloth. If the total costing in this process is Rs. 1500 and the price of carpet is Rs. 5/cm2 and the price of cloth is Rs. 2/cm2. Find the width of the carpet. 
An order was placed for the supply of carpet whose breadth was 5cm and length was 1.22 times the breadth. What would be the cost of a carpet whose length and breadth are 30% more and 15% more respectively than the corresponding length and breadth of the first carpet, given that the rate of carpet is 35 rupees per square meter?
In the center of square room with sides 10 m, there is a square of turkey carpet and the rest of the floor is covered with oil cloth. The carpet and the oil cloth cost Rs. 15 Rs. 6.50 respectively per square meter and the total cost of the carpet and the oil cloth is 1,338.50. What is the width of the Oil cloth border? 
An order was placed for the supply of a carpet whose breadth was 6 m and length was 1.44 times the breadth. What be the cost of a carpet whose length and breadth are 40% more and 25% more respectively than the first carpet. Given that the ratio of carpet is Rs. 45 per sq. m ?
To make a puzzle piece, a cardboard block of dimensions 9 cm × 5 cm is cut along the dotted lines as shown below. Each semicircle cut from the length of the cardboard have an area of 2π cm2, while each semicircle cut from the breadth of the cardboard have an area of π/2 cm2. If the four triangles cut from the corners are equilateral triangles, each having an area of √3/4 cm2, then find the perimeter of the puzzle piece so formed?