Quantitative Aptitude - Arithmetic Ability Questions

A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in

Two cycles start from a house with a speed of 24kmph at interval of 15 min. With how much more speed in kmph the woman coming from the opposite direction towards the house has to travel to meet the cycles at an interval of 10 minutes?

The marked price of an article is 60% more than its cost price. If the article is sold for Rs 300 after offering a discount of Rs 20, then what will be the profit percentage?

What is the unit place digit in the expansion of  773?

A Number is increased by 20%. To get back to the orignal number, the increased number is to be reduced by

The price of an article is cut by 36%, to restore to its original value, the new price must be increased by

If a(a + b + c) = 45, b(a + b + c) = 75 and c(a + b + c) = 105, then what is the value of (a2 + b2 + c2 )?

Selling price of a table is Rs 2808. If profit percentage is 17%, then what is the cost price (in Rs) of table?