Quantitative Aptitude - Arithmetic Ability Questions

If the amount received at the end of 2nd and 3rd year at compound interest on a certain Principal is Rs 30250, and Rs 33275 respectively, what is the rate of interest?

Marked price of a chair is Rs 800 and discount is 15%. What is additional discount (in percentage) should be offered to the customer to bring the price of chair to Rs 578?

Four pairs of words are given. Find the odd one out.

If cosx.cosy + sinx.siny = -1 then cosx + cosy is

If the roots of the equation a(b – c)x2 + b(c – a)x + c(a – b) = 0 are equal, then which of the following is true?

Sachin lent out Rs 60000 in two parts, first at 4% and the second at 10% interest. The yearly average interest comes out to be 6.4%. What are the amounts (in Rs) that were lent at 4% and 10% respectively?

The time for a train of length 110 metres running at the speed of 72 km/hr to cross a bridge of length 132 metres is

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio: