Quantitative Aptitude - Arithmetic Ability Questions

If a2b+c=b2c+a=c2a+b=1 then the value of 21+a+21+b+21+c

If  tan2A / (secA -­ 1)2 = x, then the value of x is

Find out the odd word/letters/number/number pair from the given alternatives.

The first and last terms of an arithmetic progression are 37 and ­18. If the sum of the series is 114, then it has how many terms?

P, Q and R together can make a table in 40 minutes. P and Q together can make it in 60 minutes. How much time (in minutes) will R alone take to make the table?

If X=32, then the value of 27x3-54x2+36x-11 is

Findout the odd word/letters/number/number pair from the given alternatives.

By increasing the price of entry ticket to a fair in the ratio 7:17, the number of visitors to the fair has decreased in the ratio 9:5. In what ratio has the total collection increased or decreased?