Quantitative Aptitude - Arithmetic Ability Questions

A boy buys 5 pencils at Rs 3 each, 3 erasers at Rs 2 each and 3 sharpeners at Rs 5 each. What is the average expenditure (in Rs) per article?

What is the value of (sinA -­ 2sin3A)/(2cos3A -­ cosA)?

If Cot θ = 24/7, then what is the value of Sec θ?

[sinA/(1 + cosA)] + [(1 + cosA)/sinA] is equal to

In ΔDEF measure of angle E is 90 deg. If sinD = 15/17, and DE = 4cm, then what is the length (in cm) of side EF?

If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?

In an acute-angled triangle ABC is Sin(B+A+C)=32 and tan(C+A-B)=1, then C is equal to

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?