Quantitative Aptitude - Arithmetic Ability Questions

Two equal circles intersect so that their centres, and the points at which they intersect form a square of side 1 cm. The area (in sq.cm) of the portion that is common to the circles is

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

Ramu can row 9 kmph in still water. It takes him twice as long to row up as to row down. Find the rate of stream.

If 4(2x - ­4) -­ 2 > 3x -­ 1 ≥ 4x - ­7, then x can take which of the following values?

What number should be added to each of the numbers 94, 24, 100 and 26, so that the resulting numbers are in continued proportion?

The ratio of present ages of Rambha and Sarvesh is 8:5. After 7 years the ratio of their ages will be 5:4. What is Rambha's present age?

Curved surface area of a cylinder is 1232 sq cm. If circumference of its base is 154 cm, then what will be the height of the cylinder? (Take π = 22/7)

The sum of a non-zero number and ten times its reciprocal is 7. Find the number.