The average monthly expenditure of a family for the first four months is ₹ 2570, for the next three months ₹ 2490 and for the last five months ₹3030. If the family saves ₹ 5320 during the whole year, the average monthly income of the family during the year is-

What is the compound interest on a sum of ₹25,000 after three years at a rate of 12 per cent per annum interest compounded yearly?  

a and b are two whole numbers and c is their HCF, then the LCM of those two numbers is

A person invested 1100 in a company at compound interest compounded semi-annually. He received 1331 after one year. The rate of interest per annum is 

Twice the difference between two numbers is equal to their sum. If one number is 15, find the other number.

Panu, Jiban and Jalil can complete a certain task individually in 30, 20 and 60 days, respectively. Jiban started work on the task and Panu and Jalil agreed to help Jiban on every third day. How many days will it take to complete the task?

Direction : The table given below represents number of bikes of five different brands sold from 2001- 2005, with the help of data given in the table, answer the following questions.

In how many years the increase of selling is greater than 10% for any brand?

Directions: The line graph shows the number of work visas issued by a country in each year from 2011 to 2016. Study the diagram and answer the following questions . 

What is the total number of visas issued from 2012 to 2015 ?