प्रतिशत - Percentage

प्रतिशत - Percentage

Simple FractionTheir Percentage1

100%

1/2

50%

1/3

33.3%

1/4

25%

1/5

20%

1/6

16.67%

1/7

14.28%

1/8

12.5%

1/9

11.11%

1/10

10%

1/11

9.09%

1/12

8.33%

54.  If a is x%=more than B, then B is less than A.    

(ii) If A isless than B, then B ismore than A

if a > b, we take a – b

if b > a, we take b – a.

55. If price of a article increase from ` a to ` b, then its expenses decrease byso that expenditure will be same.

56. Due to increase/decrease the price x%, A man purchase a kg more in ` y, then

Per kg increase or decrease= 

Per kg starting price =

57. For two articles, if price:

Simple FractionTheir PercentageIncrease (x%)

Increase (y%)

Increase (x%)

Decrease (y%)

Decrease (x%)

Decrease (y%)

Increase (x%)

Decrease (x%)

58. If the side of a square or radius of a circle is x% increase/decrease, then its area increase/decrease =

59. If the side of a square, x% increase/decrease then x% its perimeter and diagonal increase/decrease.

60. (i) If population P increase/decrease at r% rate, then after t years population =

(ii) If population P increase/decrease r1% first year, r2% increase/decrease second year and r3% increase/decrease third year,

then after 3 years population 

If increase we use (+), if decrease we use (–)

If a man spend x% of this income on food, y% of remaining on rent and z% of remaining on cloths. If he has ` P remaining, then

income of man is =

[Note: We can use this table for area increase/decrease in mensuration for rectangle, triangle and parallelogram].