Quantitative Aptitude - Arithmetic Ability Questions

If x2+ x = 19, then what is the value of (x + 5)2+ [1/(x + 5)2]?

The third proportional of two numbers 9 and 24 is

If x2 + (1/x2) = 1, then what is the value of x48 + x42 + x36 + x30 + x24 + x18 + x12 + x6 + 1?

There is a three digit number. The digit at the tenth place is 3. If the place of all the digits are replaced with each other symmetrically about the tens position,then the new number obtained is 396 more than the original three digit number. The sum of the digits at unit & hundredth place is 14. Find out the original number?

What is the length of the arc whose central angle is 30° and radius of the circle is 21 cm?

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

1/8 th of the audience of a program Jabardast were children, 2/5th of the audience were men and the rest women. If the number of women audience is 380, find the total number of audience in the program?

At 15% discount the selling price of a microwave oven is Rs 34000, what is the selling price if the discount is 37.5%?