Quantitative Aptitude - Arithmetic Ability Questions

What is the value of sec2θ + 1sec2θ - 1 x 12cotθ - tanθ ?

Coefficient of x2 in 6x3 + 4x2 + 2x + 3 is

46% of 250 is equal to

In what time(in years) will Rs. 8000 amount to Rs. 9261 at 5% per annum, compounded annually?

Two students appeared for an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are

Product of three consecutive odd numbers is 1287. What is the largest of the three numbers?

The mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?