Quantitative Aptitude - Arithmetic Ability Questions

If A = 11x2+11x4+12x3+14x7+13x4+17x10... upto 20 terms, then what is the value of A?

In ΔABC, ∠B = 70° and ∠C = 60°. The internal bisectors of the two smallest angles of ΔABC meet at O. The angle so formed at O is

In a class, there were 9 boys and some girls. In a test the mean score obtained by the boys was 12 while that obtained by the girls was 14. If the overall average was 13.1, what was the total number of students in the calss?

2 litre of pure alcohol is added to 6 litre, 40% alcohol solution. The percentage of water in the solution is _____ .

For the inequation x^2–7x + 12 > 0, which one of the following is correct ?

If A is 40% more than B, then B is how much percent less than A?

In Δ ABC, the median AD is 8 cm and CB is 16 cm, measure of angle CAB is_____ .

If p = 99, then the value of p(p2+3p+3) will be