Quantitative Aptitude - Arithmetic Ability Questions

If Sec θ = 13/12, then Cot θ = ?

A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is

If cos2x + cos4x = 1, then tan2x + tan4x =

Which of the following equations has the sum of its roots as 11?

If 493/29 = 17, then 4.93/0.0017 = ?

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?

If after giving a discount of 18%, a book is sold for Rs 1599, then what will be the marked price (in Rs) of the book?

ABCD is a parallelogram in which AB = 7 cm, BC = 9 cm and AC = 8 cm. What is the length (in cm) of other diagonal?