Quantitative Aptitude - Arithmetic Ability Questions

In an arithmetic progression if 13 is the 3rd term, -­47 is the 13th term, then ­-17 is which term?

2 sec2A is equal to

If a+b=5 and a­b=3, then the value of (a2+b2) is

Slope of the side DA of the rectangle ABCD is 5/3. What is the slope of the side AB?

Select the odd letters from the given alternatives.

Pradeep has done 1/4th of a job in 14 days, Saquib completes the rest of the job in 56 days. In how many days can they together complete the job?

Find the L.C.M of 4/5, 2/3 and 5/7.

If a – (1/a) = b, b – (1/b) = c and c – (1/c) = a, then what is the value of (1/ab) + (1/bc) + (1/ca)?