Quantitative Aptitude - Arithmetic Ability Questions

Among three numbers , second is twice the first and also thrice the third . If the average of the three numbers is 33 , then the largest number is

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 9% per annum is Rs 405. The sum is ______ .

Find the unit digit in the given product (4211)102 x (361)52.

The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?

What is the value of {sin (90 – x) cos [π – (x – y)]} + {cos (90 – x) sin [π – (y – x)]}?

A ladder 13 m long reaches a window which is 12 m above the ground on side of a street. Keeping its foot at the same point, the ladder is turned to the other side of the street to each a window 5m high, then the width of the street is :

If cot ­-4π/3 = x, then the value of x is

If -5x3+2 = x-6, then find the value of x?