In an examination, student gets on average 76 marks. The total marks for five subjects is 500. His marks in 4 subjects are mentioned, calculate the marks obtained by the student in Mathematics marked ass 'x' in the below table.
Ravi, Rohan and Rajesh alone can complete a work in 10, 12 and 15 days respectively. In how many days can the work be completed, if all three work together?
The expenses of a person increase by Rs. 50000 for every month in February and March. If his expenses in January was Rs. 50000, calculate his average expenditure (in Rs.) from January to March.
A motorist knows four different routes from Jaipur to Bhangarh. From Bhangarh to Alwar he knows three different routes and from Alwar to Carlisle he knows two different routes. How many routes does he know from Jaipur to Carlisle?
In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.