Self Maths Puzzle Numerical Ability

27/3(3)*3????

Read Solution (Total 2)

Self Other Question

the average age of a class of 39 students is 15 years.if the age teacher be included ,then the average increases by 3 months. Find the age of the teacher? If a person have 2000 rupees note and goes to a shopkeeper and purchase some item of 200 rupees. But shopkeeper do not have the change of 2000 then ho goes to another shop and take a change of 2000 and he gives 1800 to buyer. But after some time second shopkeeper came and told that your 2000 note is not genuine please return my money. Then find total loss of shopkeeper.