Quantitative Aptitude - Arithmetic Ability Questions

What is the average of all numbers between 100 and 200 which are divisible by 13?

If a certain sum of money doubles itself in 7 years 8 months at simple interest, then what will be the yearly rate of interest (in %)?

If the simple interest on Rs. 400 for 10 years is Rs. 280, then rate of interest per annum is

What is the value of the expression a3 - 5 + 2816a, when a = 2?

If 2x + 3(5-2x) > 2 - 3x < 2x - x/3, then x can take which of the following values?

An article was sold at Rs. 950 allowing 5% discount on the marked price. The marked price of the article is

θ is a positive acute angle and sinθ ­ cosθ = 0, then the value of secθ + cosecθ is

A can do a work in 20 days and B in 10 days. If they work on it together for 5 days, then what fraction of work is left.