Quantitative Aptitude - Arithmetic Ability Questions

The least number that must be substracted from 63520 to make the result a perfect square is

Shivam is 10% less efficient than Vivek. If Vivek can make a helmet in 9 days, then in how many days Shivam can complete the same work?

An angle is thrice its complementary angle. What is the measure of the angle?

Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

If √20 + √125 = 15.65, then what is the value of √45 + √5?

Select the odd number from the given alternatives.

If the difference between the roots of the equation Ax2 – Bx + C = 0 is 4, then which of the following is TRUE?

Expand and simplify (x + 5)2 + (x - 3)2