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Mathematics Solved MCQs Online Quiz Test
Q.1: The length of a rectangle is twice its breadth, if length is decreased by 5 cm and the breadth is increased by 5 cm. The length of the rectangle is———?
- 20 cm
- 30 cm
- 40 cm
- 50 cm
Q.2: A rectangle has 15 cm as its length and 159 cm2 as its area. Its area is increased to 1 1/3 times the original area by increasing only its length its new perimeter is:———?
- 50 cm
- 60 cm
- 70 cm
- 80 cm
Q.3: The length of a rectangular room is 4 meters. If it can be partitioned into two equal square rooms. What is the length of each partition in meters:——–?
- Data Inadequate
Q.4: The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:——–?
- none of these
Q.5: A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cast of flooring the verandah at the rate of Rs 3.50 per sq. Meter is———-?
- Rs. 600
- Rs. 700
- Rs. 800
Q.6: If the ratio of the areas of two squares is 9:1 ratio of their perimeters is———?
Q.7: The length of a rectangle is increased by 60 %. By what percent would the width have to be decreased to maintain the same area?
- 37 ½ %
- 60 %
- 75 %
Q.8: The area of a rectangle is thrice that of a square. The length of the rectangle is 40 cm and the breadth of the rectangle is (3/2) times of the square. The side of the square in cm is———-?
Q.9: The length of a hall is (4/3) times its breadth. If the area of the hall be 300 square meters the difference between the length and breadth is———-?
- None of these
Q.10: If the side of a square is increased by 25 % then how much percent does it’s area get increased: