Quantitative Aptitude - Arithmetic Ability Questions

Product of digits of a 2-digit number is 72. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is

If 1+121+141+161+181-131-151-17 = 1+ 1x, then what is the value of x?

Point P is the midpoint of segment AB. Co-ordinates of P are (5, -1) and A are (2, -4). What are the co-ordinates of point B?

The slope of the line passing through the points (7,-2) and (x,1) is -3/10. Find x.

What is the distance between the points (3 , 6) and (-2 , -6)?

In a number system, on dividing 11509 by a certain number, Mukesh gets 71 as quotient and 7 as remainder. What is the divisor?

A factory buys 10 machines. 2 Machine­A, 3 Machine­B and rest Machine­C. Prices of the machines are Rs 95000, Rs 60000 and Rs 50000 respectively. What is the average cost of these machines?