Direction (Q. 1-5) : The total number of students passed from six difference schools is 8000. The given bar-graph shows the proportion off students who passed the exam and the table shows the percentage of students who got 1st, 2nd and 3rd class the exam.

What is the difference between the total number of students who passed from School E,, E2 and E, together and that of those who passed from School E4 , E5 and E6 together ?

A person spends 30% of his salary on house rent and 55% of the remaining money on food and clothes. He saves the remaining amount. If he saves ?59724 yearly, how much amount does he spend on food and clothes per month ?

A boat takes 20 hours to cover a certain distance upstream and come back to the starting point downstream. If the speed of the boat in still water is 8 km/hr what is the distance it covers upstream ?

The population of a city increases consistently by 5% every year. If the present population of the city is two lakhs, what will its population be after three years ?

A train crosses a pole in 5 seconds and a platform, which is 60% longer than the length of the train, in 13 seconds. If the length of the platform is 160m, what is the speed of the train ?

In a two-digit number, the ratio of the digit in ten's place to the digit in unit's place is 2 : 1 . If the difference between the two-digit number and the number obtained by interchaning the digits of the number is 36, what is 350% of the original number ?