Quantitative Aptitude - Arithmetic Ability Questions

$$\begin{gathered} 0.33 + 0.23 0.3 - 0.22 = ? \\ \end{gathered}$$

If 4/7 of P is equal to 12/14 of Q, then what is P : Q?

Payments of $2000 and $1000 were originally scheduled to be paid one year and five years, respectively, from today. They are to be replaced by a $1500 payment due four years from today, and another payment due two years from today. The replacement stream must be economically equivalent to the scheduled stream. What is the unknown payment, if money can earn 7% compounded semiannually?

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 4 or 15 ?

A and B started a business after investing Rs. 12,000 and Rs. 14,400 respectively. At the end of the year B gets 12% of the total profit as management fees and the rest amount is distributed between both the partners in the ratio of their investments. If total annual profit is Rs. 7,500, then find the difference between their profits.

The perimeter of a square is 22 cm. Find its area (in cm2).

If 19x2 = 1002 - 902, then find the value of x.

Value of vehicle at end of each year depreciates at the rate of 3/5th of value at the beginning. If Initial value is 10,000Rs then at the end of three years its value is ?