Quantitative Aptitude - Arithmetic Ability Questions

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs. 1. The sum (in Rs.) is:

Complete the number series by choosing the missing terms from the options. 32, 64, 256, 1536, ? ,122880,1474560

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is

Find the mean value of 2, 3, 3, 4, 6, 7

A train starts moving from a place P at 10:00 a.m. and arrives at another place Q at 5:30 p.m. on the same day. If the speed of the train is 50 km/hr, then what will be the distance (in km) covered by the train?

What is the value of 2 - 2z + z22 + 2z - z2, when z+2z = 2 ?

What is the slope of the line parallel to the line passing through the points (-2, -1) and (4, -3)?