Quantitative Aptitude - Arithmetic Ability Questions

A number exceeds its 1/6 by 30. What is the number?

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 = 0 has infinite number of solutions?

If x = a + 1a, y = a - 1a ,(a>0), then the value of x4+y4-2x2y2 is

If x2 + ax + b, when divided by x + 3, leaves a remainder of -1 and x2 + bx + a, when divided by x - 3, leaves a remainder of 39, then a+ b = ?

One of the two inlet pipes works twice as efficiently as the other. The two, working alongside a drain pipe that can empty a cistern all by itself in 8 hours, can fill the empty cistern in 8 hours. How many hours will the less efficient inlet pipe take to fill the empty cistern by itself?

The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is

What is the mean of the first five Triangular Numbers?

A sum of Rs 800 becomes Rs 1000 in 2 years at simple interest. What is the per annum rate of interest (in percent)?