Quantitative Aptitude - Arithmetic Ability Questions

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area (in sq.cm) of the triangle?

The volume of a sphere is 179.67 cub.cm. Find its diameter (in cm).

The volume of a cuboid is 320 cubic cm. Find its total surface area if its length and breadth are 10 cm and 8 cm respectively?

Among four bags, average weight of last three bags is 18 kg and the average weight of first three bags is 19 kg. If the weight of last bag is 22 kg, then what is the weight (in kg) of first bag?

15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?

The upper part of a tree broke at a certain height makes an angle of 60 ° with the ground at a distance of 10 m. from its feet. The original height of the tree was

A sum of Rs 8000 is borrowed at compound interest at the rate of 7% per annum. What will be the amount (in Rs) after 2 years?

A number is greater than 58 times its reciprocal by 3/4. What is the number?