Quantitative Aptitude - Arithmetic Ability Questions

The ratio of present ages of Rahul and his sister is 3 : 4. Before 10 years the ratio of their ages was 13:19. What is Rahul's present age (in years)?

3 pipes when opened for 3 hours can fill 3 buckets. How many buckets can 2 pipes open for 2 hours approximately fill?

Area of the circle inscribed in a square of diagonal 6√2 cm (in sq cm) is

Giving two successive discounts of 25% is equal to giving one discount of ________%.

Buy at 30 cell at 50. What is the profit percentage?

Ankita borrows Rs. 7000 at simple Interest from a lender. Atthe end of 3 years, she again borrows Rs. 3000 and settledthat amount after paying Rs. 4615 as interest after 8 years from the time she made the first borrowing. What is the rate of interest?

A man's annual income has increased by Rs 1.2 lakhs but the tax on income that he has to pay has reduced from 12% to 10%. He now pays the same amount of tax as before. What is his increased income (in Rs lakhs)?

[15% of 300% of 560] × 2 ÷ 5 =