Quantitative Aptitude - Arithmetic Ability Questions

Factorise x2 + 3x -­ 18

ΔPQR is right angled at Q. If m∠R = 45°, then find the value of (tanP - 1/2).

Find the unit place digit in 192102 + 193103

The median of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

The sum of two numbers is 25 and sum of their square is 313. Calculate the numbers.

Present age of Anil and Rajesh are in the ratio of 11 : 6 respectively. 9 years ago, their ages were in the ratio of 7 : 3. If the Pankaj’s present age is 1/4 of the Anil’s present age, then what is the Pankaj’s present age (in years)?

Find the value of 'a' for which x+3x+a24 is a perfect square.