In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined, what percent of the machine parts were defective?

A coat was sold for Tk 75. The coat was sold for 150% of the cost of the coat. How much did the coat cost?

If the value of XYZ Company stock drops from Tk. 25 per share to Tk. 21 per share, What is the percent of the...

A and B together can paint a wall in 3 days. A can do it alone in 5 days. How many days would it take B to do...

In the equation : 31(m-n) - 32(m-n) + (m-n)=?

If the average of two numbers is M, and the larger number is L, what is the other number?

If (3x + 2y) = 8 and (2x - y) = 3 find the value of 'x'.