The cost price of 27 articles is the same as the selling price of 18 articles. What is the gain percentage?

Directions : Given here is a pie chart showing the cost of gold in 2010, 2011, 2012 and 2013. Study the chart and answer the following questions

If the price of gold in 2013 is Rs. 31,500 per 10 gram, then the price of gold in 2011 per 10 gram is

Total cost of A pens and (A-2) pencils is Rs 424. If one pencil and one pen costs Rs 4 and Rs 20 respectively then find A?

Annual salary of Varun is 7.68 lac. In a month if he spends 12000 on his children, 1/13th of rest on food and 8000 in  mutual funds from his monthly salary, then find the monthly saving he is left with.

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

Directions : The bar graph, given here, shows the demand and production of colour televisions of five companies for Diwali season in the year 2009. Study the graph carefully and answer the questions based on the graph.

The ratio of companies having more demand than production of colour televisions to those having more production than demand is :

Directions: Given bar graph shows the number of plain books and lined books (in hundreds) available at three different stores and the table shows the percentage of total books (Plain + lined) that was sold by different stores.

The number of plain books sold by store A and store B was 30% and 40% respectively then find the number of lined books sold by store A and store B together is what percent of total books available at store A? 

The angles of triangle are in the ratio 3:4:5 the measure of the largest angle of the triangle is