5 lakhs per annum mean how much monthly my salary

Compute the simple and weighted mean of the monthly salary from the following data :

There are three categories of jobs A,B and c . The average salary of the students who got the job of A and B categories is 26 lakh per annum. The average salary of the students who got the job of B and C category is 44 lakh per annum and the average salary of those students who got the job of A and C categories 34 lakh per annum. The most appropriate (or closest) range of average salary of all the three categories (if it is known that each student gets only one category of jobs i.e, A, B and C):

There are three categories of jobs A, B and C. The average salary of the students who got the job of A and B categories is 26 lakh per annum. The average salary of the students whogot the job of B and C category is 44 lakh per annum and the average salary of those students who got the job of A and C categories is 34 lakh per annum. The most appropriate (or closest) range of average salary of all the three categories (if it is known that each student gets only one category of jobs i. e.,A, B and C):

sarita spends 65% of her salary and the rest she saves . If she saves Rs. 2940 per month , what is her monthly salary ?

Sarita spends 65% of her salary and the rest she saves.If she saves Rs2940 per month, what is her monthly salary?