Quantitative Aptitude - Arithmetic Ability Questions

ΔDEF is right angled at E. If m∠F = 30 deg, then find the value of (sinD - 1/3).

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given options.

O is the center of the circle and two tangents are drawn from a point P to this circle at points A and B. If ∠AOP = 50°, then what is the value (in degrees) of ∠APB?

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

A and B can complete a piece of work in 10 days and 15 days respectively. B starts the work and is joined by A after 5 days. If they earn a total of Rs. 60, what are their individual shares?

In a right angled triangle ΔDEF, if the length of the hypotenuse EF is 12 cm, then the length of the median DX is

A 25m long ladder is rested on a wall. The foot of the ladder is 7m away from the wall. If the end of the ladder (resting on the wall) slides down 4m, then how far will its foot move away?

The 3rd and 6th term of an arithmetic progression are 19 and 37 respectively. What is the 13th term?