SSC CPO 202011)The base of a triangle is equal to the perimeter of a square whose diagonal is \( 6\sqrt 2\) cm, and its height is equal to the side of a square whose area is 144 cm2. The area of the triangle (in cm2) is:
144
SSC CPO 202012)The area of a square and rectangle are equal. The length of the rectangle is greater than the length of a side of a square by 10 cm and the breadth is less than 5 cm. The perimeter (in cm) of the rectangle is:
50
SSC CPO 202013)The internal measures of a cuboidal room are with length as 12 m, breadth as 8 m and height as 10 m. The total cost (in Rs.) of whitewashing all four walls of the room and also ceiling of the room, if the cost of white washing is Rs. 25 per m2, is:
12,400
SSC CPO 202014)A 64 cm wide path is made around a circular garden having a diameter of 10 metres. The area (in m2) of the path is closest to:
21
SSC CPO 202015)If each side of a square is decreased by 17%, then by what percentage does its area decrease ?
31.11%
SSC CPO 202016)One side of a rhombus is 13 cm and one of its diagonals is 24 cm. What is the area (in cm2) of rhombus ?
120
SSC CPO 202017)The sides of a triangle are 24 cm, 26 cm and 10 cm. At each of its vertex, circles of radius 4.2 cm are drawn. What is the area (in cm2) of the portion covered by the three sectors of the circle ? (π = 22/7)
27.72
SSC CPO 202018)The perimeter of a square is half the perimeter of a rectangle. The perimeter of the square is 40 m. If its breadth is two-thirds of its length, then what is the area (in m2) of the rectangle ?
384
SSC CPO 202019)The internal length, breadth and height of a cuboidal room are 12 m, 8 m and 10 m, respectively. The total cost (in Rs.) of whitewashing only all four walls of the room at the cost of Rs. 25 per m2, is:
Rs. 10,000
SSC CPO 202020)The base of a triangle is equal to the perimeter of a square whose diagonal is \(9\sqrt 2\) cm, and its height is equal to the side of a square whose area is 144 cm2. The area of the triangle (in cm2) is:
216