One-fourth of a tank holds135 litres of water. What part of the tank is full if contains 180 litres of water?

Directions: Read the given pie and table carefully and answer the following questions.

The pie chart shows the percentage distribution of people who found COVID – 19 positive in four major cities of India from 1^st July to 31^st August 2020 and the table shows the number of people who tested positive in July from these cities.

Total numbers of cases in July are how much more or less than the total number of cases in August of all four cities?

Factor of $$ {ab-a-b+1}$$ is

What will be come in place of question mark(?) in the following number series?
13 , 14 , 30 , 93, ?, 1885

Rs. 278 is divided among Ram, Shyam and Ghanshayam so that Rs. 20 more than $${1\over3}$$ of Ram’s share, Rs.10 more than $${3\over 2}$$ of Shayam’s share, Rs.10 more than Ghanshayam’s share are equal. What is the Shyam’s share?

The value of   $${(75.8)^2-(55.8)^2\over20}$$

A dealer buys an article marked at ₹ 25,000 with 20 % and 5% off. He spends 1,000 for its repair and sells it for ₹ 25,000 what is his gain or loss percent? 

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 . 

If 10 % of people who are issued work visas do not use the visas , then how many people from 2011 to 2016 have used the visas ?