Quantitative Aptitude - Arithmetic Ability Questions

If the selling price of an article is doubled, then its loss percentage gets converted into the equal profit percentage. What is the loss percentage?

Among three numbers, the first is twice the second and thrice the third, If the average of three numbers is 517, then what is the difference between the first and the third number?

If 4r = h + r2+h2 then r: h = ? (r not equal to 0)

What is the value of (1 + cotA)2 + (1 -­ cotA)2?

In the given figure, ABCD is a square of side 14 cm. E and F are mid points of sides AB and DC respectively. EPF is a semicircle whose diameter is EF. LMNO is a square . What is the area (in sq.cm) of the shaded region?

In a Rhombus ABCD, measure of angle CAB is 25°, what is the measure of angle ABC?

The circumference of a circle is 88 cm. Find its radius (in cm).

Select the odd number from the given alternatives.