Quantitative Aptitude - Arithmetic Ability Questions

Surya works 3 times as fast as Ramya and is able to complete a work in 40 days less than the number of days taken by Ramya. Find the time in which they can complete the work together.

A train is moving at the speed of 72 km/hr. How many seconds will it take to cover a distance of 1400 m ?

A shopkeeper marks the price of his table 30% above the cost price. He allows his customers a discount of 12% on the marked price. What is the profit percentage?

A wooden bowl is in shape of a hollow hemisphere of internal radius 7 cm and thickness 1 cm. What is the total surface area (in sq.cm) of the bowl? (Take:  = 22/7)

Manish is four times as efficient as Puneet. Manish takes 90 days less than Puneet to complete a book. If both of them work together, then in how many days the book will be completed?

Mr. Murthy invested Rs. 16,000 in a scheme. How much will he get on matuirity, if he invested it at 20% per annum C.I. for 9 months, compounded quarterly?

Of the 5 numbers whose average is 78, the first is 2/11 times the sum of other 4. The first number is

At 24% discount the selling price of a washing machine is Rs 38000, what is the selling price if the discount is 40%?