Quantitative Aptitude - Arithmetic Ability Questions

Two chords AB and PQ of a circle intersect at D inside a circle. If AD = 4 cm, DB = 6 cm, QD = 3 cm, the length of PQ is equal to

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

The value of (2+32-3-342) is

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?

One-third of Poojitha's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?

A trader buys 500 kgs of cotton for Rs 9,000. 10% of this cotton is spoiled due to rain. At what rate (Rs/Kg) should he sell the rest to earn 10% profit?

A solid brass sphere of radius 2.1 dm is converted into a right circular cylindrical rod of length 7cm. The ratio of total surface areas of the rod to the sphere is