Quantitative Aptitude - Arithmetic Ability Questions

Point P is the midpoint of segment AB. Co-ordinates of P are (3 , 1) and B are (5, -4). What are the co-ordinates of point A?

The standard deviation of the set {10, 11, 12, 9, 8} is

Findout the odd word/letters/number/number pair from the given alternatives.

Triangle PQR is inscribed in a circle such that P, Q and R lie on the circumference. If PQ is the diameter of the circle and ∠PQR = 40°, then what is the value (in degrees) of ∠QPR?

Find the difference between place value and face value of 7 in 589573212.

The ratio of present ages of Ranjini and Shahid is 5:4. After 13 years the ratio of their ages will be 6:5. What is Ranjini's present age?

Convert binary 1101111 to decimal.

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)