Question

The price of an article increases from Rs.960 to Rs.1080 .Find the percentage increase in price.

Answer 1

The problems on percentages may not appear directly but the applications are omni present in profit and loss, simple and compound interest and data interpretation and other areas.

Percent means for every hundred.  x%=x100x%=x100
Percentage conversions: You must commit to memory these percentage equivalents. 
1=100%1=100%; 

1212 = 50% ; 

1313 = 331⁄3% or 33.33; 

1414 = 25% ;3434 = 75% ;

1515 = 20%; 

1616 = 162⁄3% or 16.66%;

1717 = 142⁄7% or 14.28%; 

1818 = 121⁄2% or 12.5%; 

1919 = 111⁄9% or 11.11% ;

110110 = 10%;

111111 = 91⁄11%  or  9.09%; 

112112 = 81⁄3%;