Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 5000 becomes Rs 8000 in 3 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is yearly), then what will be the amount (in Rs) after 3 years?

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

A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.

What is the equation of the line passing through the point (0,­4) and making an angle of ­45° with the positive x­axis?

Mr. Akbar sold a bus for Rs.20,400 with a loss of 15%. At what price should the price should the bus be sold to get a profit of 15%?

ΔPQR is right angled at Q. If cosecP = 25/24, then what is the value of cotR ?

A man, rowing a boat, covers a distance of 16 km in two hours downstream. He covers half the distance in same amount of time when rowing upstream. Calculate the speed of the stream.

Select the odd word/letters/number/number pair from the given alternatives.