Quantitative Aptitude - Arithmetic Ability Questions

A man walks at a speed of 3 kmph. He doubles his speed after reaching exactly half way. He walks for 5 hours in all. What is the total distance travelled by him?

3/5 of my current age is the same as 5/6 of that of one of my cousin. My age ten ago will be his age four years hence. My current age is ___ years.

The base of a parallelogram is twice its height. If the area of the parallelogram is 338 sq.cm. Find its height?

The selling price of an article is Rs 816 if the discount on it is 15%. What would be the selling price of the article (in Rs) if the discount on it is 25%?

In the following question, select the odd letters from the given alternatives.

What is the value of 1xp-q+1+1xq-p+1?

A retailer marks up his goods by 150% and offers 40% discount. What will be the selling price (in Rs) if the cost price is Rs 800?

P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?