SSC CPO 20201)The perimeter of a square is the same as the perimeter of a rectangle. The perimeter of the square is 40 m. If its breadth is two-thirds of its length, then the area (in m2) of the rectangle is:
96
SSC CPO 20202)If each side of a rectangle is decreased by 11%, then its area will decrease by:
20.79%
SSC CPO 20203)One side of a rhombus is 13 cm and one of its diagonals is 10 cm. What is the area of the rhombus (in cm2)?
120
SSC CPO 20204)If a wheel has diameter 42 cm, then how far does the wheel go (in metres) in 12 revolutions? (Take π = \(\frac {22} 7 \))
15.84
SSC CPO 20205)A rectangular lawn whose length is twice of its breadth is extended by having four semi-circular portions on its sides. What is the total cost (in Rs.) of levelling the entire lawn at the rate of Rs. 100 per square metre, if the smaller side of the rectangular lawn is 12 m? (Take π = 3.14)
85,320
SSC CPO 20206)The two parallel sides of a trapezium are 27 cm and 13 cm, respectively. If the height of the trapezium is 7 cm, then what is its area in m2?
0.014
SSC CPO 20207)If the area of a square is decreased by 19%, then the diagonal of the square is decreased by:
10%
SSC CPO 20208)A rectangular lawn whose length is twice of its breadth is extended by having four semi-circular portions on its sides. What is the total area (in m2) of the lawn of the smaller side of the rectangle is 12 m? (Take π = 3.14)
853.2
SSC CPO 20209)The area of a field in the shape of a hexagon is 1944√3 m2. What will be the cost (in Rs.) of fencing it at the rate of Rs. 11.50 per metre?
Rs. 2,484
SSC CPO 202010)The two parallel sides of a trapezium are 17 cm and 15 cm, respectively. If the height of the trapezium is 6 cm, then its area (in m2) is:
0.0096 m2