📏 Arithmetic Aptitude Solved MCQs with Answers

Practice 3562 approved 📏 Arithmetic Aptitude questions with verified answers from the 🧠 Aptitude Mastery subject for Pakistan exams.

3562 solved MCQs

The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:Answer: 44% A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?Answer: 3 m A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:Answer: 28% A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?Answer: 30 The diagonal of a rectangle is √41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:Answer: 18 cm What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?Answer: 814 The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:Answer: 2520 m² The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?Answer: 50% increase The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?Answer: None of these A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?Answer: 88 A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:Answer: Rs. 558 A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:Answer: 12π cm³ In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:Answer: 750 cu. m A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:Answer: 1200 66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:Answer: 84 A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is:Answer: 3.696 kg A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is:Answer: 60 kg 50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is 4 m3, then the rise in the water level in the tank will be:Answer: 25 cm The slant height of a right circular cone is 10 m and its height is 8 m. Find the area of its curved surface.Answer: 60π m² A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:Answer: 49 m² A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:Answer: 5120 The curved surface area of a cylindrical pillar is 264 m², and its volume is 924 m³. Find the ratio of its diameter to its height.Answer: 7 : 3 A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is:Answer: 1 dm What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?Answer: 498.35 cm² A large cube is formed from the material obtained by melting three smaller cubes of 3, 4, and 5 cm sides. What is the ratio of the total surface areas of the smaller cubes and the large cube?Answer: 25 : 18 How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm?Answer: 6400 From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are on the committee. In how many ways can it be done?Answer: 756 In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?Answer: 720 In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?Answer: 50400 Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?Answer: 25200