Quantitative Aptitude - Arithmetic Ability Questions

Working 5 hours a day, Shivam can read a book in 24 days. How many hours a day should he work so as to finish the same work in 8 days?

If a+1a=2 then the vealue of a5+1a5 will be

In triangle PQR, A is the point of intersection of all the altitudes and B is the point of intersection of all the angle bisectors of the triangle. If ∠PBR =105°, then what is the value of ∠PAR (in degrees)?

PQRS is a square whose side is 16 cm. What is the value of the side (in cm) of the largest regular octagon that can be cut from the given square?

Which of the following quadratic equations has real roots?

A trader buys 500 kgs of cotton for Rs 9,000. 10% of this cotton is spoiled due to rain. At what rate (Rs/Kg) should he sell the rest to earn 10% profit?

If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?

Find the curved surface area (in cm2) of a right circular cone of diameter 28 cm and slant height 12 cm.