Quantitative Aptitude - Arithmetic Ability Questions

If a2+1=a, then the value of a3 is

1.1 + 12.12 + 123.123 = ?

The square root of 5776 is

Which of the following can't be the unit's digit of a perfect square?

3 years ago, the ratio of Maya's and Shikha's age was 5:9respectively. After 5 years, this ratio would become 3:5. Find present age of Maya?

In a triangle the length of the side opposite the angle which measures 30 degree is 9√3 cm, what is the length of the side opposite to the angle which measures 60 degree?

A cone of height 12 cm and diameter 10 cm is mounted on a hemisphere of the same diameter. What is the volume of the solid thus formed?

If the side of the equilateral triangle is 8√3 cm, then what is the length (in cm) of the in radius of the triangle?