What is the value of $$ {0.55 × 4.5\over 0.81}$$ ?

Directions: The following bar graph shows the percentage breakup of a Sunil’s salary from year 2012 to 2016. With the given information, find the following questions.

If the ratio on saving in the year 2013 and 2016 are in the ratio 3 : 5. Then what is the ratio of EMI expenses in the year 2013 and 2016.

An article is sold for Rs 4,777 after giving a discount of 15%. What is the marked price of the article?

Direction: Study the following table carefully to answer these questions.

What is the average number of students appeared from school B for all the years ?

In a mixture of 25 liters, the ratio of acid to water is 4 : 1. Another 3 liters of water is added to the mixture. The ratio of acid to water in the new mixture is: 

The following table shows the number of units of product produced and sold by a company over the course of six years.

The number of units of product sold in 2016 is approximately what percent more than the average number of units produced from 2012 to 2016?

The least multiple of 13, which on dividing by 4, 5, 6, 7 and 8 leaves remainder 2 in each case is 

A container in the shape of a frustum of a cone having diameters of its two circular faces as 35 cm. and 30 cm and vertical height 14 cm. is completely filled with oil. If each cm3 of oil has mass 1.2g, then find the cost of oil in the container if its costs Rs. 40 per kg.