Quantitative Aptitude - Arithmetic Ability Questions

Mahesh buys 3 shirts at an average price of Rs 1250. If he buys 2 more shirts at an average price of Rs 1450 what will be the average price (in Rs) of all the 5 shirts he buys?

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

The rate of simple interest per annum at which a sum of money double itself in 16 2/3 yrs is

A sum fetched a total simple interest of Rs 5320 at the rate of 7% per year in 5 years. What is the sum?

A dealer is selling an article at a discount of 5% on the Marked price. If the Marked price is 12% above the cost price and the article was sold for Rs. 532 then the cost price is (in Rs.)

Find two numbers whose sum is 29 and the product is 100.

Coefficient of x2in (x + 9)(6 - 4x)(4x - 7) is