Quantitative Aptitude - Arithmetic Ability Questions

PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is

The price of a chair is Rs. 500. It has been sold at two succesive discounts of 10% each. What is its selling price?

In which quadrant, will the point (4, -2) be located?

In a number system, on dividing 11509 by a certain number, Mukesh gets 71 as quotient and 7 as remainder. What is the divisor?

A mini-van crosses two people walking at the speed of 4.8 kmph and 6 kmph in the same direction as that in which the mini-van is heading in 4.5 s and 9 s, respectively. What is the length of the mini-van?

Find the range of the data 2, 1, 2, 3, 5, 4, 7, 3, 5, 2, 4.

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?

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?