Question

A man purchased a box full of pencils at the rate of 7 for rs.9 and sold all of them at the rate of 8 for rs.11. In this transaction, he gained rs.10. How many pencils did the box contain ? Select one:

Answer 1

CP of one pencil = 9/7 = Rs.1.2857

SP of one pencil = 11/8 = 1.3750

Gain from one pencil  = 1.3750 - 1.2857 = Rs.0.0893

Total gain = Rs.10

No of pencil he sold = 10/0.0893 = 111.98

112 pencils he should sold

Answer 2

answer is 112 pencils.....