1 The length of a rectangular plot is 60% more than its breadth. If the difference between the length and the breadth of that rectangle is 24 cm, what is the area of that rectangle ? A) 2400 sq. cm B) 2480 sq. cm C) 2560 sq. cm D) Data inadequate
2 The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m, what is the area of the field ? A) 18750 sq. m B) 37500 sq. m C) 40000 sq. m D) 48000 sq. m
3 The area of a rectangle is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the rectangular field ? A) 15 metres B) 26 metres C) 34.5 metres D) Cannot be determined E) None of these
4 A courtyard 25 m long and 16 m broad is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is : A) 18000 B) 20000 C) 25000 D) None of these
5 The length of a blackboard is 8 cm more than its breadth. If the length is increased by 7 cm and breadth is decreased by 4 cm, the area remains the same. The length and breadth of the blackboard (in cm) will be : A) 28, 20 B) 34, 26 C) 40, 32 D) 56, 48
6 A towel, when bleached, was found to have lost 20% of its_length and 10% of its breadth. The percentage of decrease in areajs : A) 10% B) 10.08% C) 20% D) 28%
7 What will be the length of the diagonal of that square plot whose area is equal to the area of a rectangular plot of length 45 metres and breadth 40 metres ? A) 42.5 metres B) 60 metres C) 75 metres D) Data inadequate
8 If the perimeters of a square and a rectangle are the same, then the area A and B enclosed by them would satisfy the condition : A) A < B B) A <= B C) A > B D) A => B
9 The dimensions of a room are 10 m x 7 m x 5 m. There are 2 doors and 3 windows in the roorrf. The dimensions of the doors are 1 m x 3 m. One window is of size 2 m x 1.5 m and the other two windows are of size 1 m x 1.5 m. The cost of painting the walls at Rs. 3 per m^2 is : A) Rs. 474 B) Rs. 578.50 C) Rs. 684 D) Rs. 894
10 The ratio of height of a room to its semi-pcrimeter is 2 : 5. It costs Rs. 260 to paper the walls of the room with paper 50 cm wide at Rs. 2 per metre allowing an area of 15 sq. m for doors and windows. The height of the room is : A) 2.6 m B) 3.9 m C) 4 m D) 4.2 m
11 The area of a right-angled triangle is 40 times its base. What is its height ? A) 45 cm B) 60 cm C) 80 cm D) Data inadequate E) None of these
12 The areas of two concentric circles forming a ring are 154 sq. cm and 616 sq. cm. The breadth of the ring is : A) 7cm B) 14cm C) 21cm D) 28cm
13 There are 4 semi-circular gardens on each side of a square-shaped pond with each side 21m. The cost of fencing the entire plot at the rate of Rs 12.50 per metre is : A) Rs. 1560 B) Rs. 1650 C) Rs. 3120 D) Rs. 3300
14 An equilateral triangle, a square and a circle have equal perimeters. If $T$, denotes the area of the triangle, $S$, the area of the square and $C$, the area of the circle, then : A) $S<T<C$ B) $T<C<S$ C) $T<S<C$ D) $C>S>T$
15 If the radius of a circle is increased by 75%, then its circumference will increase by : A) 25% B) 50% C) 75% D) 100%