Quantitative Aptitude - Arithmetic Ability Questions

In the given figure, ABCD is a square, BCXYZ is a regular pentagon and ABE is an  equilateral triangle. What is the value in deg of EBZ?

A person goes from point N to P and comes back. His average speed for the whole journey is 60 km/hr. If his speed while going from N to P is 40 km/hr, then what will be the speed of the person (in km/hr) while coming back from P to N?

The average of 8 consecutive integers is 23/2. What is the average of first three integers?

A ladder 20 m long is leaning against a vertical wall. It makes an angle of 30 deg with the ground. How high on the wall does the ladder reach?

Select the odd word from the given alternatives.

26% of a number is 65. What is the number?

Find the HCF & LCM of 16, 24.

If 2cosAsinB = x, then the value of x is?