General Maths Puzzle Logical Reasoning

Nuber series..
1,4,5,6,7,9,11,.....
what is next number

Read Solution (Total 2)

General Other Question

A lady purchases 200 worth product at a shop where the shopkeeper sales his products at no profit. At billing she gives a 1000 rupees note. The shopkeeper gets change for 1000 rupees note at shopkeeper-2. And gives the balance 800 to that lady..
After that lady leaves the shop shopkeeper-2 says that 1000 rupees note is afake one and demands for his money.
Then what is the net loss to the shopkeeper
0 0 0=6 prove it (you can use any mathematical operator)