Quantitative Aptitude - Arithmetic Ability Questions

A tyre is sold at three successive discounts of 20%,30%, and 20%. What is the net discount (in percentage)

If x +y = √3 and x - y = √2, then the value of 8xy (x2 + y2) is

A and B together can complete a task in 12 days. However, if A works alone, completes half the job and leaves and then B works alone and competes the rest of the work, it takes 25 days in all to complete the work. If B is more efficient than A, how many days would it have taken B to do the work by herself?

Selling price of a glass is Rs 1965 and loss percentage is 25%. If selling price is Rs 3013, then what will be the profit percentage?

The marked price of a chair is Rs 550 and a discount of 20% is given on it. What is the selling price (in Rs)?

A store sells a watch for a profit of 25% of the cost. Then the percentage of profit against selling price is

A man travels 404 kilometres in partly by rail and steamer. He spends 10 hours more time on steamer. If the speed of the steamer is 30 km/hr and the velocity of rail is 50 km/hr, how much distance does he cover by steamer?

Akarsh's birthday is on Saturday 29th July. On what day of the week will be Ojas's Birthday in the same year if Ojas was born on 12th August?