Quantitative Aptitude - Arithmetic Ability Questions

Find the number of prime factor of 20790.

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

The mean of a distribution is 20 and the standard deviation is 4. What is the value of the coefficient variation?

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

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

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

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

There are 10 dozen apples, 15 dozen mangoes and 20 dozen oranges for selling. If 1/2, 1/3 and 1/4 of them are sold respectively. How many of the total fruits are remaining?