Primary 6 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)


An electronic store earned $72 on the sale of a music system.

A slightly defective music system was sold at a lower price.

The store would lose $38 by selling a defective music system.

In March this year, the store earned $26160 from the music systems sold.

Out of every 50 music systems sold, 3 were defective.

(a) How many good systems were sold in March?

(b) What was the loss in earnings due to the defective systems?


Notes to student: 

  1. If the question above has parts(e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12
The correct answer is : 376,2640
(a)____, (b)$_____