If the price of a commodity is decreased by 20% and its consumption is increased by 20%, what will be the increase or de- crease in the expenditure on the commodity?

If x = 19 and y = 18, then the value of   is

If (3x – 2y) : (2x + 3y) = 5 : 6, then one of the values of is

The perimeter of a semi-circle is 25.7 cm. What is its diameter (in cm)? (π = 3.14)

Direction: What value will come in place of the question mark (?) in the following question?

8, 17, 53, ?, 1079, 6479

Directions: Following is the pie-chart showing the spending of a family on various items in a particular year

Study the pie chart and answer questions

If the total amount spent on the family during the year was ₹ 50,000, how much they spent for buying clothes? 

Directions: The following pie chart show proportion of population of seven villages in 2009. Stud the pie chart and answer question that follows:

In 2010, the population of 'Y' and 'V' increases by 10% each and the percentage of population below poverty line remains unchanged for all the villages. If in 2009, the population of village Y was 30,000 then the below poverty line population of village 'V' in 2010 is-

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

The percentage increase in the price of gold from the year 2011 to 2013 is