Quantitative Aptitude - Arithmetic Ability Questions

If (secA - tanA)2 = x, then the value of x is

The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is

Which of the following is NOT prime number?

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).

If (9 - 3x) - (17x - 10) = -1, then the value of x is

Select the odd letters from the given alternatives.

In the following question, select the odd word from the given alternatives.

The value of k, for which the quadratic equation 4x2 + 4√3x + k = 0 has equal roots is