Quantitative Aptitude - Arithmetic Ability Questions

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in Rs) if the cost price is Rs 1600?

Alipta got some amount of money from her father. In how many years will the ratio of the money and the interest obtained from it be 10:3 at 6% simple interest per annum?

If curved surface area of a cylinder is 616 sq cm and height is 14 cm, find its radius?

If a perfect square, not divisible by 6, be divided by 6, the remainder will be

Twenty one times of a positive number is less than its square by 100. The value of the positive number is

A tap can fill a tank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2.5 hours, the tank will now be filled in

Car B is twice as fast as car A. If car A covers 90 km in 2 hours, what is the speed of car B?

P and Q together can make a door in 12 days. They started the work together but after 8 days P left the work. The remaining work is completed by Q alone in 7 more days. In how many days can P alone complete the entire work?