Quantitative Aptitude - Arithmetic Ability Questions

The angles of a triangle are in the ratio 1 : 1 : 4. If the perimeter of the triangle is k times its largest side, then what is the value of k?

If x + (1/x) = 2, then what is the value of x21 + (1/x1331)?

The third proportional of two numbers 7 and 21 is

Sum of lengths of all edges of a cube is 84 cm, find its volume?

Sumit is 28% less efficient than Amit. If Amit can make a wall in 54 days, then Sumit can complete the same work in how many days?

The incomes of X and Y are in the ratio 5 : 6 and their expenditure are in the ratio 6 : 5. If X saves Rs 7000 and Y saves Rs 15000, then what will be the income (in Rs) of X?

The population of a town is 200000. It increases annually at the rate of 10%. What will be the population after 2 years?

The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is